Finding the Fourth Proportional to 10,783.59, 14,866.51 and 7,379.97

Step by Step Solution

1. Step 1: Write the proportion equation
   10,783.59 : 14,866.51 = 7,379.97 : x
2. Step 2: Convert to fraction form
   10,783.59/14,866.51 = 7,379.97/x
3. Step 3: Cross multiply
   10,783.59x = 14,866.51 × 7,379.97
4. Step 4: Simplify right side
   10,783.59x = 109,714,397.80
5. Step 5: Solve for x
   x = 109,714,397.80/10,783.59
6. Step 6: Final answer
   x = 10,174.20