Finding the Fourth Proportional to 17,430, 26,156.52 and 8,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,430 : 26,156.52 = 8,196.72 : x
2. Step 2: Convert to fraction form
   17,430/26,156.52 = 8,196.72/x
3. Step 3: Cross multiply
   17,430x = 26,156.52 × 8,196.72
4. Step 4: Simplify right side
   17,430x = 214,397,670.61
5. Step 5: Solve for x
   x = 214,397,670.61/17,430
6. Step 6: Final answer
   x = 12,300.50