Finding the Fourth Proportional to 111,151.91, 153,375.34 and 63,402.41

Step by Step Solution

1. Step 1: Write the proportion equation
   111,151.91 : 153,375.34 = 63,402.41 : x
2. Step 2: Convert to fraction form
   111,151.91/153,375.34 = 63,402.41/x
3. Step 3: Cross multiply
   111,151.91x = 153,375.34 × 63,402.41
4. Step 4: Simplify right side
   111,151.91x = 9,724,365,873.56
5. Step 5: Solve for x
   x = 9,724,365,873.56/111,151.91
6. Step 6: Final answer
   x = 87,487.17