Finding the Fourth Proportional to 111,714.72, 154,154.52 and 63,963.60

Step by Step Solution

1. Step 1: Write the proportion equation
   111,714.72 : 154,154.52 = 63,963.60 : x
2. Step 2: Convert to fraction form
   111,714.72/154,154.52 = 63,963.60/x
3. Step 3: Cross multiply
   111,714.72x = 154,154.52 × 63,963.60
4. Step 4: Simplify right side
   111,714.72x = 9,860,278,055.47
5. Step 5: Solve for x
   x = 9,860,278,055.47/111,714.72
6. Step 6: Final answer
   x = 88,263.02