Finding the Fourth Proportional to 19,645.50, 29,428.83 and 9,754.86

Step by Step Solution

1. Step 1: Write the proportion equation
   19,645.50 : 29,428.83 = 9,754.86 : x
2. Step 2: Convert to fraction form
   19,645.50/29,428.83 = 9,754.86/x
3. Step 3: Cross multiply
   19,645.50x = 29,428.83 × 9,754.86
4. Step 4: Simplify right side
   19,645.50x = 287,074,116.61
5. Step 5: Solve for x
   x = 287,074,116.61/19,645.50
6. Step 6: Final answer
   x = 14,612.72