Finding the Fourth Proportional to 175,501.89, 263,280.17 and 57,145.70

Step by Step Solution

1. Step 1: Write the proportion equation
   175,501.89 : 263,280.17 = 57,145.70 : x
2. Step 2: Convert to fraction form
   175,501.89/263,280.17 = 57,145.70/x
3. Step 3: Cross multiply
   175,501.89x = 263,280.17 × 57,145.70
4. Step 4: Simplify right side
   175,501.89x = 15,045,330,411.83
5. Step 5: Solve for x
   x = 15,045,330,411.83/175,501.89
6. Step 6: Final answer
   x = 85,727.46