Finding the Fourth Proportional to 72,726.76, 109,085.22 and 19,414.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,726.76 : 109,085.22 = 19,414.72 : x
2. Step 2: Convert to fraction form
   72,726.76/109,085.22 = 19,414.72/x
3. Step 3: Cross multiply
   72,726.76x = 109,085.22 × 19,414.72
4. Step 4: Simplify right side
   72,726.76x = 2,117,859,002.44
5. Step 5: Solve for x
   x = 2,117,859,002.44/72,726.76
6. Step 6: Final answer
   x = 29,120.77