Finding the Fourth Proportional to 123,462.18, 185,044.59 and 56,811.06

Step by Step Solution

1. Step 1: Write the proportion equation
   123,462.18 : 185,044.59 = 56,811.06 : x
2. Step 2: Convert to fraction form
   123,462.18/185,044.59 = 56,811.06/x
3. Step 3: Cross multiply
   123,462.18x = 185,044.59 × 56,811.06
4. Step 4: Simplify right side
   123,462.18x = 10,512,579,305.17
5. Step 5: Solve for x
   x = 10,512,579,305.17/123,462.18
6. Step 6: Final answer
   x = 85,148.17