Finding the Fourth Proportional to 55,010.72, 82,441.56 and 39,393.92

Step by Step Solution

1. Step 1: Write the proportion equation
   55,010.72 : 82,441.56 = 39,393.92 : x
2. Step 2: Convert to fraction form
   55,010.72/82,441.56 = 39,393.92/x
3. Step 3: Cross multiply
   55,010.72x = 82,441.56 × 39,393.92
4. Step 4: Simplify right side
   55,010.72x = 3,247,696,219.32
5. Step 5: Solve for x
   x = 3,247,696,219.32/55,010.72
6. Step 6: Final answer
   x = 59,037.52