Finding the Fourth Proportional to 17,670.64, 24,406.86 and 12,883

Step by Step Solution

1. Step 1: Write the proportion equation
   17,670.64 : 24,406.86 = 12,883 : x
2. Step 2: Convert to fraction form
   17,670.64/24,406.86 = 12,883/x
3. Step 3: Cross multiply
   17,670.64x = 24,406.86 × 12,883
4. Step 4: Simplify right side
   17,670.64x = 314,433,577.38
5. Step 5: Solve for x
   x = 314,433,577.38/17,670.64
6. Step 6: Final answer
   x = 17,794.13