Finding the Fourth Proportional to 5,071.87, 7,605.71 and 1,561.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,071.87 : 7,605.71 = 1,561.02 : x
2. Step 2: Convert to fraction form
   5,071.87/7,605.71 = 1,561.02/x
3. Step 3: Cross multiply
   5,071.87x = 7,605.71 × 1,561.02
4. Step 4: Simplify right side
   5,071.87x = 11,872,665.42
5. Step 5: Solve for x
   x = 11,872,665.42/5,071.87
6. Step 6: Final answer
   x = 2,340.89