Finding the Fourth Proportional to 56,614.56, 78,119.53 and 31,122.00

Step by Step Solution

1. Step 1: Write the proportion equation
   56,614.56 : 78,119.53 = 31,122.00 : x
2. Step 2: Convert to fraction form
   56,614.56/78,119.53 = 31,122.00/x
3. Step 3: Cross multiply
   56,614.56x = 78,119.53 × 31,122.00
4. Step 4: Simplify right side
   56,614.56x = 2,431,235,671.38
5. Step 5: Solve for x
   x = 2,431,235,671.38/56,614.56
6. Step 6: Final answer
   x = 42,943.65