Finding the Fourth Proportional to 231,061, 318,864.18 and 125,077

Step by Step Solution

1. Step 1: Write the proportion equation
   231,061 : 318,864.18 = 125,077 : x
2. Step 2: Convert to fraction form
   231,061/318,864.18 = 125,077/x
3. Step 3: Cross multiply
   231,061x = 318,864.18 × 125,077
4. Step 4: Simplify right side
   231,061x = 39,882,575,041.86
5. Step 5: Solve for x
   x = 39,882,575,041.86/231,061
6. Step 6: Final answer
   x = 172,606.26