Finding the Fourth Proportional to 171,710.10, 257,445.15 and 101,553.30

Step by Step Solution

1. Step 1: Write the proportion equation
   171,710.10 : 257,445.15 = 101,553.30 : x
2. Step 2: Convert to fraction form
   171,710.10/257,445.15 = 101,553.30/x
3. Step 3: Cross multiply
   171,710.10x = 257,445.15 × 101,553.30
4. Step 4: Simplify right side
   171,710.10x = 26,144,404,551.50
5. Step 5: Solve for x
   x = 26,144,404,551.50/171,710.10
6. Step 6: Final answer
   x = 152,258.98