Finding the Fourth Proportional to 293,099.16, 404,658.27 and 224,985.72

Step by Step Solution

1. Step 1: Write the proportion equation
   293,099.16 : 404,658.27 = 224,985.72 : x
2. Step 2: Convert to fraction form
   293,099.16/404,658.27 = 224,985.72/x
3. Step 3: Cross multiply
   293,099.16x = 404,658.27 × 224,985.72
4. Step 4: Simplify right side
   293,099.16x = 91,042,332,229.90
5. Step 5: Solve for x
   x = 91,042,332,229.90/293,099.16
6. Step 6: Final answer
   x = 310,619.56