Finding the Fourth Proportional to 72,807.08, 109,177.12 and 37,771.32

Step by Step Solution

1. Step 1: Write the proportion equation
   72,807.08 : 109,177.12 = 37,771.32 : x
2. Step 2: Convert to fraction form
   72,807.08/109,177.12 = 37,771.32/x
3. Step 3: Cross multiply
   72,807.08x = 109,177.12 × 37,771.32
4. Step 4: Simplify right side
   72,807.08x = 4,123,763,936.20
5. Step 5: Solve for x
   x = 4,123,763,936.20/72,807.08
6. Step 6: Final answer
   x = 56,639.60