Finding the Fourth Proportional to 92,501.10, 138,727.34 and 39,898.89

Step by Step Solution

1. Step 1: Write the proportion equation
   92,501.10 : 138,727.34 = 39,898.89 : x
2. Step 2: Convert to fraction form
   92,501.10/138,727.34 = 39,898.89/x
3. Step 3: Cross multiply
   92,501.10x = 138,727.34 × 39,898.89
4. Step 4: Simplify right side
   92,501.10x = 5,535,066,828.78
5. Step 5: Solve for x
   x = 5,535,066,828.78/92,501.10
6. Step 6: Final answer
   x = 59,837.85