Finding the Fourth Proportional to 9,507.85, 13,115.56 and 5,528.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,507.85 : 13,115.56 = 5,528.52 : x
2. Step 2: Convert to fraction form
   9,507.85/13,115.56 = 5,528.52/x
3. Step 3: Cross multiply
   9,507.85x = 13,115.56 × 5,528.52
4. Step 4: Simplify right side
   9,507.85x = 72,509,635.77
5. Step 5: Solve for x
   x = 72,509,635.77/9,507.85
6. Step 6: Final answer
   x = 7,626.29