Finding the Fourth Proportional to 85,664,640,132.42, 118,218,274,618.37 and 47,087,771,814.12

Step by Step Solution

1. Step 1: Write the proportion equation
   85,664,640,132.42 : 118,218,274,618.37 = 47,087,771,814.12 : x
2. Step 2: Convert to fraction form
   85,664,640,132.42/118,218,274,618.37 = 47,087,771,814.12/x
3. Step 3: Cross multiply
   85,664,640,132.42x = 118,218,274,618.37 × 47,087,771,814.12
4. Step 4: Simplify right side
   85,664,640,132.42x = 5,566,635,139,488,780,648,448
5. Step 5: Solve for x
   x = 5,566,635,139,488,780,648,448/85,664,640,132.42
6. Step 6: Final answer
   x = 64,981,713,935.69