Finding the Fourth Proportional to 14,316.50, 19,758.93 and 8,730.74

Step by Step Solution

1. Step 1: Write the proportion equation
   14,316.50 : 19,758.93 = 8,730.74 : x
2. Step 2: Convert to fraction form
   14,316.50/19,758.93 = 8,730.74/x
3. Step 3: Cross multiply
   14,316.50x = 19,758.93 × 8,730.74
4. Step 4: Simplify right side
   14,316.50x = 172,510,080.51
5. Step 5: Solve for x
   x = 172,510,080.51/14,316.50
6. Step 6: Final answer
   x = 12,049.74