Finding the Fourth Proportional to 9,483.64, 13,087.42 and 5,291.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,483.64 : 13,087.42 = 5,291.88 : x
2. Step 2: Convert to fraction form
   9,483.64/13,087.42 = 5,291.88/x
3. Step 3: Cross multiply
   9,483.64x = 13,087.42 × 5,291.88
4. Step 4: Simplify right side
   9,483.64x = 69,257,056.15
5. Step 5: Solve for x
   x = 69,257,056.15/9,483.64
6. Step 6: Final answer
   x = 7,302.79