Finding the Fourth Proportional to 10,505.70, 14,498.52 and 5,790

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.70 : 14,498.52 = 5,790 : x
2. Step 2: Convert to fraction form
   10,505.70/14,498.52 = 5,790/x
3. Step 3: Cross multiply
   10,505.70x = 14,498.52 × 5,790
4. Step 4: Simplify right side
   10,505.70x = 83,946,430.80
5. Step 5: Solve for x
   x = 83,946,430.80/10,505.70
6. Step 6: Final answer
   x = 7,990.56