Finding the Fourth Proportional to 9,559.62, 13,191.29 and 5,310.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,559.62 : 13,191.29 = 5,310.46 : x
2. Step 2: Convert to fraction form
   9,559.62/13,191.29 = 5,310.46/x
3. Step 3: Cross multiply
   9,559.62x = 13,191.29 × 5,310.46
4. Step 4: Simplify right side
   9,559.62x = 70,051,827.74
5. Step 5: Solve for x
   x = 70,051,827.74/9,559.62
6. Step 6: Final answer
   x = 7,327.89