Finding the Fourth Proportional to 64,820.79, 89,452.71 and 35,012.79

Step by Step Solution

1. Step 1: Write the proportion equation
   64,820.79 : 89,452.71 = 35,012.79 : x
2. Step 2: Convert to fraction form
   64,820.79/89,452.71 = 35,012.79/x
3. Step 3: Cross multiply
   64,820.79x = 89,452.71 × 35,012.79
4. Step 4: Simplify right side
   64,820.79x = 3,131,988,950.16
5. Step 5: Solve for x
   x = 3,131,988,950.16/64,820.79
6. Step 6: Final answer
   x = 48,317.66