Finding the Fourth Proportional to 12,034.86, 18,053.38 and 3,715

Step by Step Solution

1. Step 1: Write the proportion equation
   12,034.86 : 18,053.38 = 3,715 : x
2. Step 2: Convert to fraction form
   12,034.86/18,053.38 = 3,715/x
3. Step 3: Cross multiply
   12,034.86x = 18,053.38 × 3,715
4. Step 4: Simplify right side
   12,034.86x = 67,068,306.70
5. Step 5: Solve for x
   x = 67,068,306.70/12,034.86
6. Step 6: Final answer
   x = 5,572.84