Finding the Fourth Proportional to 9,778.70, 13,494.68 and 5,302.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,778.70 : 13,494.68 = 5,302.52 : x
2. Step 2: Convert to fraction form
   9,778.70/13,494.68 = 5,302.52/x
3. Step 3: Cross multiply
   9,778.70x = 13,494.68 × 5,302.52
4. Step 4: Simplify right side
   9,778.70x = 71,555,810.59
5. Step 5: Solve for x
   x = 71,555,810.59/9,778.70
6. Step 6: Final answer
   x = 7,317.52