Finding the Fourth Proportional to 2,715.24, 4,071.34 and 866.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.24 : 4,071.34 = 866.02 : x
2. Step 2: Convert to fraction form
   2,715.24/4,071.34 = 866.02/x
3. Step 3: Cross multiply
   2,715.24x = 4,071.34 × 866.02
4. Step 4: Simplify right side
   2,715.24x = 3,525,861.87
5. Step 5: Solve for x
   x = 3,525,861.87/2,715.24
6. Step 6: Final answer
   x = 1,298.55