Finding the Fourth Proportional to 123,463.18, 185,046.09 and 56,812.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123,463.18 : 185,046.09 = 56,812.06 : x
2. Step 2: Convert to fraction form
   123,463.18/185,046.09 = 56,812.06/x
3. Step 3: Cross multiply
   123,463.18x = 185,046.09 × 56,812.06
4. Step 4: Simplify right side
   123,463.18x = 10,512,849,567.85
5. Step 5: Solve for x
   x = 10,512,849,567.85/123,463.18
6. Step 6: Final answer
   x = 85,149.67