Finding the Fourth Proportional to 224,415.72, 309,672.12 and 123,807.24

Step by Step Solution

1. Step 1: Write the proportion equation
   224,415.72 : 309,672.12 = 123,807.24 : x
2. Step 2: Convert to fraction form
   224,415.72/309,672.12 = 123,807.24/x
3. Step 3: Cross multiply
   224,415.72x = 309,672.12 × 123,807.24
4. Step 4: Simplify right side
   224,415.72x = 38,339,650,482.15
5. Step 5: Solve for x
   x = 38,339,650,482.15/224,415.72
6. Step 6: Final answer
   x = 170,842.09