Finding the Fourth Proportional to 3,715.88, 5,566.52 and 1,861.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,715.88 : 5,566.52 = 1,861.52 : x
2. Step 2: Convert to fraction form
   3,715.88/5,566.52 = 1,861.52/x
3. Step 3: Cross multiply
   3,715.88x = 5,566.52 × 1,861.52
4. Step 4: Simplify right side
   3,715.88x = 10,362,165.13
5. Step 5: Solve for x
   x = 10,362,165.13/3,715.88
6. Step 6: Final answer
   x = 2,788.62