Finding the Fourth Proportional to 123,379.76, 185,143.37 and 113,341.43

Step by Step Solution

1. Step 1: Write the proportion equation
   123,379.76 : 185,143.37 = 113,341.43 : x
2. Step 2: Convert to fraction form
   123,379.76/185,143.37 = 113,341.43/x
3. Step 3: Cross multiply
   123,379.76x = 185,143.37 × 113,341.43
4. Step 4: Simplify right side
   123,379.76x = 20,984,413,803.08
5. Step 5: Solve for x
   x = 20,984,413,803.08/123,379.76
6. Step 6: Final answer
   x = 170,079.88