Finding the Fourth Proportional to 17,758.73, 24,516.26 and 12,973.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,758.73 : 24,516.26 = 12,973.30 : x
2. Step 2: Convert to fraction form
   17,758.73/24,516.26 = 12,973.30/x
3. Step 3: Cross multiply
   17,758.73x = 24,516.26 × 12,973.30
4. Step 4: Simplify right side
   17,758.73x = 318,056,795.86
5. Step 5: Solve for x
   x = 318,056,795.86/17,758.73
6. Step 6: Final answer
   x = 17,909.88