Finding the Fourth Proportional to 102,508.56, 141,461.68 and 57,796.56

Step by Step Solution

1. Step 1: Write the proportion equation
   102,508.56 : 141,461.68 = 57,796.56 : x
2. Step 2: Convert to fraction form
   102,508.56/141,461.68 = 57,796.56/x
3. Step 3: Cross multiply
   102,508.56x = 141,461.68 × 57,796.56
4. Step 4: Simplify right side
   102,508.56x = 8,175,998,475.82
5. Step 5: Solve for x
   x = 8,175,998,475.82/102,508.56
6. Step 6: Final answer
   x = 79,759.18