Finding the Fourth Proportional to 9,789.33, 13,503.13 and 5,807.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.33 : 13,503.13 = 5,807.63 : x
2. Step 2: Convert to fraction form
   9,789.33/13,503.13 = 5,807.63/x
3. Step 3: Cross multiply
   9,789.33x = 13,503.13 × 5,807.63
4. Step 4: Simplify right side
   9,789.33x = 78,421,133.52
5. Step 5: Solve for x
   x = 78,421,133.52/9,789.33
6. Step 6: Final answer
   x = 8,010.88