Finding the Fourth Proportional to 9,635.76, 13,303.92 and 7,290.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,635.76 : 13,303.92 = 7,290.72 : x
2. Step 2: Convert to fraction form
   9,635.76/13,303.92 = 7,290.72/x
3. Step 3: Cross multiply
   9,635.76x = 13,303.92 × 7,290.72
4. Step 4: Simplify right side
   9,635.76x = 96,995,155.62
5. Step 5: Solve for x
   x = 96,995,155.62/9,635.76
6. Step 6: Final answer
   x = 10,066.17