Finding the Fourth Proportional to 224,398.72, 309,648.72 and 123,790.24

Step by Step Solution

1. Step 1: Write the proportion equation
   224,398.72 : 309,648.72 = 123,790.24 : x
2. Step 2: Convert to fraction form
   224,398.72/309,648.72 = 123,790.24/x
3. Step 3: Cross multiply
   224,398.72x = 309,648.72 × 123,790.24
4. Step 4: Simplify right side
   224,398.72x = 38,331,489,364.49
5. Step 5: Solve for x
   x = 38,331,489,364.49/224,398.72
6. Step 6: Final answer
   x = 170,818.66