Finding the Fourth Proportional to 10,505.18, 14,498.06 and 5,790.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.18 : 14,498.06 = 5,790.38 : x
2. Step 2: Convert to fraction form
   10,505.18/14,498.06 = 5,790.38/x
3. Step 3: Cross multiply
   10,505.18x = 14,498.06 × 5,790.38
4. Step 4: Simplify right side
   10,505.18x = 83,949,175.22
5. Step 5: Solve for x
   x = 83,949,175.22/10,505.18
6. Step 6: Final answer
   x = 7,991.22