Finding the Fourth Proportional to 152,784.38, 229,182.71 and 72,781.22

Step by Step Solution

1. Step 1: Write the proportion equation
   152,784.38 : 229,182.71 = 72,781.22 : x
2. Step 2: Convert to fraction form
   152,784.38/229,182.71 = 72,781.22/x
3. Step 3: Cross multiply
   152,784.38x = 229,182.71 × 72,781.22
4. Step 4: Simplify right side
   152,784.38x = 16,680,195,726.89
5. Step 5: Solve for x
   x = 16,680,195,726.89/152,784.38
6. Step 6: Final answer
   x = 109,174.75