Finding the Fourth Proportional to 9,843.60, 13,585.38 and 5,651.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,843.60 : 13,585.38 = 5,651.76 : x
2. Step 2: Convert to fraction form
   9,843.60/13,585.38 = 5,651.76/x
3. Step 3: Cross multiply
   9,843.60x = 13,585.38 × 5,651.76
4. Step 4: Simplify right side
   9,843.60x = 76,781,307.27
5. Step 5: Solve for x
   x = 76,781,307.27/9,843.60
6. Step 6: Final answer
   x = 7,800.12