Finding the Fourth Proportional to 72,709.86, 109,123.11 and 37,659.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,709.86 : 109,123.11 = 37,659.54 : x
2. Step 2: Convert to fraction form
   72,709.86/109,123.11 = 37,659.54/x
3. Step 3: Cross multiply
   72,709.86x = 109,123.11 × 37,659.54
4. Step 4: Simplify right side
   72,709.86x = 4,109,526,125.97
5. Step 5: Solve for x
   x = 4,109,526,125.97/72,709.86
6. Step 6: Final answer
   x = 56,519.52