Finding the Fourth Proportional to 85,905,559.69, 118,549,691.71 and 47,274,391.69

Step by Step Solution

1. Step 1: Write the proportion equation
   85,905,559.69 : 118,549,691.71 = 47,274,391.69 : x
2. Step 2: Convert to fraction form
   85,905,559.69/118,549,691.71 = 47,274,391.69/x
3. Step 3: Cross multiply
   85,905,559.69x = 118,549,691.71 × 47,274,391.69
4. Step 4: Simplify right side
   85,905,559.69x = 5,604,364,560,627,285
5. Step 5: Solve for x
   x = 5,604,364,560,627,285/85,905,559.69
6. Step 6: Final answer
   x = 65,238,671.17