Finding the Fourth Proportional to 10,465.39, 15,699.77 and 5,789.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,465.39 : 15,699.77 = 5,789.94 : x
2. Step 2: Convert to fraction form
   10,465.39/15,699.77 = 5,789.94/x
3. Step 3: Cross multiply
   10,465.39x = 15,699.77 × 5,789.94
4. Step 4: Simplify right side
   10,465.39x = 90,900,726.31
5. Step 5: Solve for x
   x = 90,900,726.31/10,465.39
6. Step 6: Final answer
   x = 8,685.84