Finding the Fourth Proportional to 412,370.04, 569,105.55 and 231,079.89

Step by Step Solution

1. Step 1: Write the proportion equation
   412,370.04 : 569,105.55 = 231,079.89 : x
2. Step 2: Convert to fraction form
   412,370.04/569,105.55 = 231,079.89/x
3. Step 3: Cross multiply
   412,370.04x = 569,105.55 × 231,079.89
4. Step 4: Simplify right side
   412,370.04x = 131,508,847,892.39
5. Step 5: Solve for x
   x = 131,508,847,892.39/412,370.04
6. Step 6: Final answer
   x = 318,909.80