Finding the Fourth Proportional to 9,784.55, 13,502.90 and 5,308.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,784.55 : 13,502.90 = 5,308.49 : x
2. Step 2: Convert to fraction form
   9,784.55/13,502.90 = 5,308.49/x
3. Step 3: Cross multiply
   9,784.55x = 13,502.90 × 5,308.49
4. Step 4: Simplify right side
   9,784.55x = 71,679,980.70
5. Step 5: Solve for x
   x = 71,679,980.70/9,784.55
6. Step 6: Final answer
   x = 7,325.84