Finding the Fourth Proportional to 56,271.16, 77,651.02 and 30,772.46

Step by Step Solution

1. Step 1: Write the proportion equation
   56,271.16 : 77,651.02 = 30,772.46 : x
2. Step 2: Convert to fraction form
   56,271.16/77,651.02 = 30,772.46/x
3. Step 3: Cross multiply
   56,271.16x = 77,651.02 × 30,772.46
4. Step 4: Simplify right side
   56,271.16x = 2,389,513,139.50
5. Step 5: Solve for x
   x = 2,389,513,139.50/56,271.16
6. Step 6: Final answer
   x = 42,464.26