Finding the Fourth Proportional to 95,445.18, 131,726.43 and 57,719.34

Step by Step Solution

1. Step 1: Write the proportion equation
   95,445.18 : 131,726.43 = 57,719.34 : x
2. Step 2: Convert to fraction form
   95,445.18/131,726.43 = 57,719.34/x
3. Step 3: Cross multiply
   95,445.18x = 131,726.43 × 57,719.34
4. Step 4: Simplify right side
   95,445.18x = 7,603,162,600.16
5. Step 5: Solve for x
   x = 7,603,162,600.16/95,445.18
6. Step 6: Final answer
   x = 79,660.00