Finding the Fourth Proportional to 17,945.87, 24,764.78 and 9,987.93

Step by Step Solution

1. Step 1: Write the proportion equation
   17,945.87 : 24,764.78 = 9,987.93 : x
2. Step 2: Convert to fraction form
   17,945.87/24,764.78 = 9,987.93/x
3. Step 3: Cross multiply
   17,945.87x = 24,764.78 × 9,987.93
4. Step 4: Simplify right side
   17,945.87x = 247,348,839.17
5. Step 5: Solve for x
   x = 247,348,839.17/17,945.87
6. Step 6: Final answer
   x = 13,783.05