Finding the Fourth Proportional to 56,076.18, 77,380.56 and 30,925.68

Step by Step Solution

1. Step 1: Write the proportion equation
   56,076.18 : 77,380.56 = 30,925.68 : x
2. Step 2: Convert to fraction form
   56,076.18/77,380.56 = 30,925.68/x
3. Step 3: Cross multiply
   56,076.18x = 77,380.56 × 30,925.68
4. Step 4: Simplify right side
   56,076.18x = 2,393,046,436.78
5. Step 5: Solve for x
   x = 2,393,046,436.78/56,076.18
6. Step 6: Final answer
   x = 42,674.92