Finding the Fourth Proportional to 72,356.64, 108,538.56 and 22,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,356.64 : 108,538.56 = 22,470.72 : x
2. Step 2: Convert to fraction form
   72,356.64/108,538.56 = 22,470.72/x
3. Step 3: Cross multiply
   72,356.64x = 108,538.56 × 22,470.72
4. Step 4: Simplify right side
   72,356.64x = 2,438,939,590.96
5. Step 5: Solve for x
   x = 2,438,939,590.96/72,356.64
6. Step 6: Final answer
   x = 33,707.20