Finding the Fourth Proportional to 102,339.02, 141,225.72 and 57,016.82

Step by Step Solution

1. Step 1: Write the proportion equation
   102,339.02 : 141,225.72 = 57,016.82 : x
2. Step 2: Convert to fraction form
   102,339.02/141,225.72 = 57,016.82/x
3. Step 3: Cross multiply
   102,339.02x = 141,225.72 × 57,016.82
4. Step 4: Simplify right side
   102,339.02x = 8,052,241,456.61
5. Step 5: Solve for x
   x = 8,052,241,456.61/102,339.02
6. Step 6: Final answer
   x = 78,682.03