Finding the Fourth Proportional to 111,753.76, 154,213.32 and 63,996.16

Step by Step Solution

1. Step 1: Write the proportion equation
   111,753.76 : 154,213.32 = 63,996.16 : x
2. Step 2: Convert to fraction form
   111,753.76/154,213.32 = 63,996.16/x
3. Step 3: Cross multiply
   111,753.76x = 154,213.32 × 63,996.16
4. Step 4: Simplify right side
   111,753.76x = 9,869,060,300.85
5. Step 5: Solve for x
   x = 9,869,060,300.85/111,753.76
6. Step 6: Final answer
   x = 88,310.77