Finding the Fourth Proportional to 56,912.56, 78,535.29 and 31,414.84

Step by Step Solution

1. Step 1: Write the proportion equation
   56,912.56 : 78,535.29 = 31,414.84 : x
2. Step 2: Convert to fraction form
   56,912.56/78,535.29 = 31,414.84/x
3. Step 3: Cross multiply
   56,912.56x = 78,535.29 × 31,414.84
4. Step 4: Simplify right side
   56,912.56x = 2,467,173,314.46
5. Step 5: Solve for x
   x = 2,467,173,314.46/56,912.56
6. Step 6: Final answer
   x = 43,350.25