Finding the Fourth Proportional to 175,429.42, 263,144.16 and 57,100.77

Step by Step Solution

1. Step 1: Write the proportion equation
   175,429.42 : 263,144.16 = 57,100.77 : x
2. Step 2: Convert to fraction form
   175,429.42/263,144.16 = 57,100.77/x
3. Step 3: Cross multiply
   175,429.42x = 263,144.16 × 57,100.77
4. Step 4: Simplify right side
   175,429.42x = 15,025,734,157.00
5. Step 5: Solve for x
   x = 15,025,734,157.00/175,429.42
6. Step 6: Final answer
   x = 85,651.17