Finding the Fourth Proportional to 72,707.36, 109,119.35 and 37,657.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,707.36 : 109,119.35 = 37,657.04 : x
2. Step 2: Convert to fraction form
   72,707.36/109,119.35 = 37,657.04/x
3. Step 3: Cross multiply
   72,707.36x = 109,119.35 × 37,657.04
4. Step 4: Simplify right side
   72,707.36x = 4,109,111,276.27
5. Step 5: Solve for x
   x = 4,109,111,276.27/72,707.36
6. Step 6: Final answer
   x = 56,515.76