Finding the Fourth Proportional to 102,757.01, 141,800.32 and 64,536.53

Step by Step Solution

1. Step 1: Write the proportion equation
   102,757.01 : 141,800.32 = 64,536.53 : x
2. Step 2: Convert to fraction form
   102,757.01/141,800.32 = 64,536.53/x
3. Step 3: Cross multiply
   102,757.01x = 141,800.32 × 64,536.53
4. Step 4: Simplify right side
   102,757.01x = 9,151,300,605.69
5. Step 5: Solve for x
   x = 9,151,300,605.69/102,757.01
6. Step 6: Final answer
   x = 89,057.68