Finding the Fourth Proportional to 9,763.32, 13,473.78 and 5,515.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,763.32 : 13,473.78 = 5,515.29 : x
2. Step 2: Convert to fraction form
   9,763.32/13,473.78 = 5,515.29/x
3. Step 3: Cross multiply
   9,763.32x = 13,473.78 × 5,515.29
4. Step 4: Simplify right side
   9,763.32x = 74,311,804.10
5. Step 5: Solve for x
   x = 74,311,804.10/9,763.32
6. Step 6: Final answer
   x = 7,611.33