Finding the Fourth Proportional to 56,018.75, 77,304.86 and 30,525.33

Step by Step Solution

1. Step 1: Write the proportion equation
   56,018.75 : 77,304.86 = 30,525.33 : x
2. Step 2: Convert to fraction form
   56,018.75/77,304.86 = 30,525.33/x
3. Step 3: Cross multiply
   56,018.75x = 77,304.86 × 30,525.33
4. Step 4: Simplify right side
   56,018.75x = 2,359,756,362.10
5. Step 5: Solve for x
   x = 2,359,756,362.10/56,018.75
6. Step 6: Final answer
   x = 42,124.40