Finding the Fourth Proportional to 10,707.83, 16,061.84 and 4,785

Step by Step Solution

1. Step 1: Write the proportion equation
   10,707.83 : 16,061.84 = 4,785 : x
2. Step 2: Convert to fraction form
   10,707.83/16,061.84 = 4,785/x
3. Step 3: Cross multiply
   10,707.83x = 16,061.84 × 4,785
4. Step 4: Simplify right side
   10,707.83x = 76,855,880.48
5. Step 5: Solve for x
   x = 76,855,880.48/10,707.83
6. Step 6: Final answer
   x = 7,177.54