Finding the Fourth Proportional to 17,945.91, 24,764.81 and 9,987.93

Step by Step Solution

1. Step 1: Write the proportion equation
   17,945.91 : 24,764.81 = 9,987.93 : x
2. Step 2: Convert to fraction form
   17,945.91/24,764.81 = 9,987.93/x
3. Step 3: Cross multiply
   17,945.91x = 24,764.81 × 9,987.93
4. Step 4: Simplify right side
   17,945.91x = 247,349,138.80
5. Step 5: Solve for x
   x = 247,349,138.80/17,945.91
6. Step 6: Final answer
   x = 13,783.04