Finding the Fourth Proportional to 7,288.62, 10,061.72 and 5,697.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,288.62 : 10,061.72 = 5,697.58 : x
2. Step 2: Convert to fraction form
   7,288.62/10,061.72 = 5,697.58/x
3. Step 3: Cross multiply
   7,288.62x = 10,061.72 × 5,697.58
4. Step 4: Simplify right side
   7,288.62x = 57,327,454.64
5. Step 5: Solve for x
   x = 57,327,454.64/7,288.62
6. Step 6: Final answer
   x = 7,865.34