Finding the Fourth Proportional to 56,082.02, 77,392.82 and 30,931.52

Step by Step Solution

1. Step 1: Write the proportion equation
   56,082.02 : 77,392.82 = 30,931.52 : x
2. Step 2: Convert to fraction form
   56,082.02/77,392.82 = 30,931.52/x
3. Step 3: Cross multiply
   56,082.02x = 77,392.82 × 30,931.52
4. Step 4: Simplify right side
   56,082.02x = 2,393,877,250.05
5. Step 5: Solve for x
   x = 2,393,877,250.05/56,082.02
6. Step 6: Final answer
   x = 42,685.29