Finding the Fourth Proportional to 111,150.18, 153,401.85 and 63,392.58

Step by Step Solution

1. Step 1: Write the proportion equation
   111,150.18 : 153,401.85 = 63,392.58 : x
2. Step 2: Convert to fraction form
   111,150.18/153,401.85 = 63,392.58/x
3. Step 3: Cross multiply
   111,150.18x = 153,401.85 × 63,392.58
4. Step 4: Simplify right side
   111,150.18x = 9,724,539,048.27
5. Step 5: Solve for x
   x = 9,724,539,048.27/111,150.18
6. Step 6: Final answer
   x = 87,490.09