Finding the Fourth Proportional to 275,498.01, 413,256.06 and 75,817.62

Step by Step Solution

1. Step 1: Write the proportion equation
   275,498.01 : 413,256.06 = 75,817.62 : x
2. Step 2: Convert to fraction form
   275,498.01/413,256.06 = 75,817.62/x
3. Step 3: Cross multiply
   275,498.01x = 413,256.06 × 75,817.62
4. Step 4: Simplify right side
   275,498.01x = 31,332,090,919.78
5. Step 5: Solve for x
   x = 31,332,090,919.78/275,498.01
6. Step 6: Final answer
   x = 113,728.92