Finding the Fourth Proportional to 9,789.60, 13,508.82 and 5,810.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.60 : 13,508.82 = 5,810.04 : x
2. Step 2: Convert to fraction form
   9,789.60/13,508.82 = 5,810.04/x
3. Step 3: Cross multiply
   9,789.60x = 13,508.82 × 5,810.04
4. Step 4: Simplify right side
   9,789.60x = 78,486,784.55
5. Step 5: Solve for x
   x = 78,486,784.55/9,789.60
6. Step 6: Final answer
   x = 8,017.36