Finding the Fourth Proportional to 17,905.86, 24,710.64 and 9,948.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,905.86 : 24,710.64 = 9,948.72 : x
2. Step 2: Convert to fraction form
   17,905.86/24,710.64 = 9,948.72/x
3. Step 3: Cross multiply
   17,905.86x = 24,710.64 × 9,948.72
4. Step 4: Simplify right side
   17,905.86x = 245,839,238.38
5. Step 5: Solve for x
   x = 245,839,238.38/17,905.86
6. Step 6: Final answer
   x = 13,729.54