Finding the Fourth Proportional to 171,782.02, 257,746.47 and 88,734.34

Step by Step Solution

1. Step 1: Write the proportion equation
   171,782.02 : 257,746.47 = 88,734.34 : x
2. Step 2: Convert to fraction form
   171,782.02/257,746.47 = 88,734.34/x
3. Step 3: Cross multiply
   171,782.02x = 257,746.47 × 88,734.34
4. Step 4: Simplify right side
   171,782.02x = 22,870,962,902.78
5. Step 5: Solve for x
   x = 22,870,962,902.78/171,782.02
6. Step 6: Final answer
   x = 133,139.45