Finding the Fourth Proportional to 224,439.50, 309,726.52 and 123,837.50

Step by Step Solution

1. Step 1: Write the proportion equation
   224,439.50 : 309,726.52 = 123,837.50 : x
2. Step 2: Convert to fraction form
   224,439.50/309,726.52 = 123,837.50/x
3. Step 3: Cross multiply
   224,439.50x = 309,726.52 × 123,837.50
4. Step 4: Simplify right side
   224,439.50x = 38,355,757,920.50
5. Step 5: Solve for x
   x = 38,355,757,920.50/224,439.50
6. Step 6: Final answer
   x = 170,895.76