Finding the Fourth Proportional to 56,574.66, 78,074.71 and 31,082.61

Step by Step Solution

1. Step 1: Write the proportion equation
   56,574.66 : 78,074.71 = 31,082.61 : x
2. Step 2: Convert to fraction form
   56,574.66/78,074.71 = 31,082.61/x
3. Step 3: Cross multiply
   56,574.66x = 78,074.71 × 31,082.61
4. Step 4: Simplify right side
   56,574.66x = 2,426,765,761.79
5. Step 5: Solve for x
   x = 2,426,765,761.79/56,574.66
6. Step 6: Final answer
   x = 42,894.92