Finding the Fourth Proportional to 123,977.52, 185,959.62 and 72,714.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,977.52 : 185,959.62 = 72,714.72 : x
2. Step 2: Convert to fraction form
   123,977.52/185,959.62 = 72,714.72/x
3. Step 3: Cross multiply
   123,977.52x = 185,959.62 × 72,714.72
4. Step 4: Simplify right side
   123,977.52x = 13,522,001,699.61
5. Step 5: Solve for x
   x = 13,522,001,699.61/123,977.52
6. Step 6: Final answer
   x = 109,068.17