Finding the Fourth Proportional to 7,681.04, 10,585.80 and 5,581.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,681.04 : 10,585.80 = 5,581.52 : x
2. Step 2: Convert to fraction form
   7,681.04/10,585.80 = 5,581.52/x
3. Step 3: Cross multiply
   7,681.04x = 10,585.80 × 5,581.52
4. Step 4: Simplify right side
   7,681.04x = 59,084,854.42
5. Step 5: Solve for x
   x = 59,084,854.42/7,681.04
6. Step 6: Final answer
   x = 7,692.30