Finding the Fourth Proportional to 111,147.62, 153,382.28 and 63,401.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,147.62 : 153,382.28 = 63,401.76 : x
2. Step 2: Convert to fraction form
   111,147.62/153,382.28 = 63,401.76/x
3. Step 3: Cross multiply
   111,147.62x = 153,382.28 × 63,401.76
4. Step 4: Simplify right side
   111,147.62x = 9,724,706,187.80
5. Step 5: Solve for x
   x = 9,724,706,187.80/111,147.62
6. Step 6: Final answer
   x = 87,493.61