Finding the Fourth Proportional to 173,158.30, 259,763.43 and 60,818.72

Step by Step Solution

1. Step 1: Write the proportion equation
   173,158.30 : 259,763.43 = 60,818.72 : x
2. Step 2: Convert to fraction form
   173,158.30/259,763.43 = 60,818.72/x
3. Step 3: Cross multiply
   173,158.30x = 259,763.43 × 60,818.72
4. Step 4: Simplify right side
   173,158.30x = 15,798,479,249.69
5. Step 5: Solve for x
   x = 15,798,479,249.69/173,158.30
6. Step 6: Final answer
   x = 91,237.20