Finding the Fourth Proportional to 56,020.28, 77,306.98 and 30,526.83

Step by Step Solution

1. Step 1: Write the proportion equation
   56,020.28 : 77,306.98 = 30,526.83 : x
2. Step 2: Convert to fraction form
   56,020.28/77,306.98 = 30,526.83/x
3. Step 3: Cross multiply
   56,020.28x = 77,306.98 × 30,526.83
4. Step 4: Simplify right side
   56,020.28x = 2,359,937,036.27
5. Step 5: Solve for x
   x = 2,359,937,036.27/56,020.28
6. Step 6: Final answer
   x = 42,126.48