Finding the Fourth Proportional to 224,003.57, 309,124.79 and 123,401.57

Step by Step Solution

1. Step 1: Write the proportion equation
   224,003.57 : 309,124.79 = 123,401.57 : x
2. Step 2: Convert to fraction form
   224,003.57/309,124.79 = 123,401.57/x
3. Step 3: Cross multiply
   224,003.57x = 309,124.79 × 123,401.57
4. Step 4: Simplify right side
   224,003.57x = 38,146,482,249.29
5. Step 5: Solve for x
   x = 38,146,482,249.29/224,003.57
6. Step 6: Final answer
   x = 170,294.09