Finding the Fourth Proportional to 55,966.83, 77,231.71 and 30,472.55

Step by Step Solution

1. Step 1: Write the proportion equation
   55,966.83 : 77,231.71 = 30,472.55 : x
2. Step 2: Convert to fraction form
   55,966.83/77,231.71 = 30,472.55/x
3. Step 3: Cross multiply
   55,966.83x = 77,231.71 × 30,472.55
4. Step 4: Simplify right side
   55,966.83x = 2,353,447,144.56
5. Step 5: Solve for x
   x = 2,353,447,144.56/55,966.83
6. Step 6: Final answer
   x = 42,050.75