Finding the Fourth Proportional to 10,661.07, 15,989.00 and 4,734.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,661.07 : 15,989.00 = 4,734.69 : x
2. Step 2: Convert to fraction form
   10,661.07/15,989.00 = 4,734.69/x
3. Step 3: Cross multiply
   10,661.07x = 15,989.00 × 4,734.69
4. Step 4: Simplify right side
   10,661.07x = 75,702,934.74
5. Step 5: Solve for x
   x = 75,702,934.74/10,661.07
6. Step 6: Final answer
   x = 7,100.88