Finding the Fourth Proportional to 224,109.12, 309,268.92 and 123,507.12

Step by Step Solution

1. Step 1: Write the proportion equation
   224,109.12 : 309,268.92 = 123,507.12 : x
2. Step 2: Convert to fraction form
   224,109.12/309,268.92 = 123,507.12/x
3. Step 3: Cross multiply
   224,109.12x = 309,268.92 × 123,507.12
4. Step 4: Simplify right side
   224,109.12x = 38,196,913,614.71
5. Step 5: Solve for x
   x = 38,196,913,614.71/224,109.12
6. Step 6: Final answer
   x = 170,438.91