Finding the Fourth Proportional to 56,019.75, 77,306.24 and 30,526.33

Step by Step Solution

1. Step 1: Write the proportion equation
   56,019.75 : 77,306.24 = 30,526.33 : x
2. Step 2: Convert to fraction form
   56,019.75/77,306.24 = 30,526.33/x
3. Step 3: Cross multiply
   56,019.75x = 77,306.24 × 30,526.33
4. Step 4: Simplify right side
   56,019.75x = 2,359,875,793.30
5. Step 5: Solve for x
   x = 2,359,875,793.30/56,019.75
6. Step 6: Final answer
   x = 42,125.78