Finding the Fourth Proportional to 171,443.31, 257,181.92 and 59,108.78

Step by Step Solution

1. Step 1: Write the proportion equation
   171,443.31 : 257,181.92 = 59,108.78 : x
2. Step 2: Convert to fraction form
   171,443.31/257,181.92 = 59,108.78/x
3. Step 3: Cross multiply
   171,443.31x = 257,181.92 × 59,108.78
4. Step 4: Simplify right side
   171,443.31x = 15,201,707,947.80
5. Step 5: Solve for x
   x = 15,201,707,947.80/171,443.31
6. Step 6: Final answer
   x = 88,669.01