Finding the Fourth Proportional to 9,789.02, 13,515.35 and 5,811.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.02 : 13,515.35 = 5,811.41 : x
2. Step 2: Convert to fraction form
   9,789.02/13,515.35 = 5,811.41/x
3. Step 3: Cross multiply
   9,789.02x = 13,515.35 × 5,811.41
4. Step 4: Simplify right side
   9,789.02x = 78,543,143.51
5. Step 5: Solve for x
   x = 78,543,143.51/9,789.02
6. Step 6: Final answer
   x = 8,023.60