Finding the Fourth Proportional to 171,648.96, 257,381.28 and 60,826.56

Step by Step Solution

1. Step 1: Write the proportion equation
   171,648.96 : 257,381.28 = 60,826.56 : x
2. Step 2: Convert to fraction form
   171,648.96/257,381.28 = 60,826.56/x
3. Step 3: Cross multiply
   171,648.96x = 257,381.28 × 60,826.56
4. Step 4: Simplify right side
   171,648.96x = 15,655,617,870.80
5. Step 5: Solve for x
   x = 15,655,617,870.80/171,648.96
6. Step 6: Final answer
   x = 91,207.18