Finding the Fourth Proportional to 113,048.69, 155,997.35 and 62,061.21

Step by Step Solution

1. Step 1: Write the proportion equation
   113,048.69 : 155,997.35 = 62,061.21 : x
2. Step 2: Convert to fraction form
   113,048.69/155,997.35 = 62,061.21/x
3. Step 3: Cross multiply
   113,048.69x = 155,997.35 × 62,061.21
4. Step 4: Simplify right side
   113,048.69x = 9,681,384,026.28
5. Step 5: Solve for x
   x = 9,681,384,026.28/113,048.69
6. Step 6: Final answer
   x = 85,639.07