Finding the Fourth Proportional to 171,426.50, 257,156.66 and 59,091.93

Step by Step Solution

1. Step 1: Write the proportion equation
   171,426.50 : 257,156.66 = 59,091.93 : x
2. Step 2: Convert to fraction form
   171,426.50/257,156.66 = 59,091.93/x
3. Step 3: Cross multiply
   171,426.50x = 257,156.66 × 59,091.93
4. Step 4: Simplify right side
   171,426.50x = 15,195,883,499.48
5. Step 5: Solve for x
   x = 15,195,883,499.48/171,426.50
6. Step 6: Final answer
   x = 88,643.73