Finding the Fourth Proportional to 2,715.86, 4,066.50 and 2,234.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.86 : 4,066.50 = 2,234.72 : x
2. Step 2: Convert to fraction form
   2,715.86/4,066.50 = 2,234.72/x
3. Step 3: Cross multiply
   2,715.86x = 4,066.50 × 2,234.72
4. Step 4: Simplify right side
   2,715.86x = 9,087,488.88
5. Step 5: Solve for x
   x = 9,087,488.88/2,715.86
6. Step 6: Final answer
   x = 3,346.08