Finding the Fourth Proportional to 250,085.98, 375,165.86 and 72,569.91

Step by Step Solution

1. Step 1: Write the proportion equation
   250,085.98 : 375,165.86 = 72,569.91 : x
2. Step 2: Convert to fraction form
   250,085.98/375,165.86 = 72,569.91/x
3. Step 3: Cross multiply
   250,085.98x = 375,165.86 × 72,569.91
4. Step 4: Simplify right side
   250,085.98x = 27,225,752,695.27
5. Step 5: Solve for x
   x = 27,225,752,695.27/250,085.98
6. Step 6: Final answer
   x = 108,865.57