Finding the Fourth Proportional to 123,446.34, 185,140.35 and 56,844.90

Step by Step Solution

1. Step 1: Write the proportion equation
   123,446.34 : 185,140.35 = 56,844.90 : x
2. Step 2: Convert to fraction form
   123,446.34/185,140.35 = 56,844.90/x
3. Step 3: Cross multiply
   123,446.34x = 185,140.35 × 56,844.90
4. Step 4: Simplify right side
   123,446.34x = 10,524,284,681.72
5. Step 5: Solve for x
   x = 10,524,284,681.72/123,446.34
6. Step 6: Final answer
   x = 85,253.92