Finding the Fourth Proportional to 7,606.90, 10,488.72 and 5,581.09

Step by Step Solution

1. Step 1: Write the proportion equation
   7,606.90 : 10,488.72 = 5,581.09 : x
2. Step 2: Convert to fraction form
   7,606.90/10,488.72 = 5,581.09/x
3. Step 3: Cross multiply
   7,606.90x = 10,488.72 × 5,581.09
4. Step 4: Simplify right side
   7,606.90x = 58,538,490.30
5. Step 5: Solve for x
   x = 58,538,490.30/7,606.90
6. Step 6: Final answer
   x = 7,695.45