Finding the Fourth Proportional to 72,657.30, 109,055.55 and 37,622.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,657.30 : 109,055.55 = 37,622.10 : x
2. Step 2: Convert to fraction form
   72,657.30/109,055.55 = 37,622.10/x
3. Step 3: Cross multiply
   72,657.30x = 109,055.55 × 37,622.10
4. Step 4: Simplify right side
   72,657.30x = 4,102,898,807.66
5. Step 5: Solve for x
   x = 4,102,898,807.66/72,657.30
6. Step 6: Final answer
   x = 56,469.19