Finding the Fourth Proportional to 147,737.30, 221,460.15 and 72,796.10

Step by Step Solution

1. Step 1: Write the proportion equation
   147,737.30 : 221,460.15 = 72,796.10 : x
2. Step 2: Convert to fraction form
   147,737.30/221,460.15 = 72,796.10/x
3. Step 3: Cross multiply
   147,737.30x = 221,460.15 × 72,796.10
4. Step 4: Simplify right side
   147,737.30x = 16,121,435,225.42
5. Step 5: Solve for x
   x = 16,121,435,225.42/147,737.30
6. Step 6: Final answer
   x = 109,122.31