Finding the Fourth Proportional to 111,410.72, 153,747.05 and 63,663.95

Step by Step Solution

1. Step 1: Write the proportion equation
   111,410.72 : 153,747.05 = 63,663.95 : x
2. Step 2: Convert to fraction form
   111,410.72/153,747.05 = 63,663.95/x
3. Step 3: Cross multiply
   111,410.72x = 153,747.05 × 63,663.95
4. Step 4: Simplify right side
   111,410.72x = 9,788,144,569.90
5. Step 5: Solve for x
   x = 9,788,144,569.90/111,410.72
6. Step 6: Final answer
   x = 87,856.40