Finding the Fourth Proportional to 224,002.07, 309,122.72 and 123,400.07

Step by Step Solution

1. Step 1: Write the proportion equation
   224,002.07 : 309,122.72 = 123,400.07 : x
2. Step 2: Convert to fraction form
   224,002.07/309,122.72 = 123,400.07/x
3. Step 3: Cross multiply
   224,002.07x = 309,122.72 × 123,400.07
4. Step 4: Simplify right side
   224,002.07x = 38,145,763,123.98
5. Step 5: Solve for x
   x = 38,145,763,123.98/224,002.07
6. Step 6: Final answer
   x = 170,292.02