Finding the Fourth Proportional to 17,946.32, 24,748.56 and 11,978.24

Step by Step Solution

1. Step 1: Write the proportion equation
   17,946.32 : 24,748.56 = 11,978.24 : x
2. Step 2: Convert to fraction form
   17,946.32/24,748.56 = 11,978.24/x
3. Step 3: Cross multiply
   17,946.32x = 24,748.56 × 11,978.24
4. Step 4: Simplify right side
   17,946.32x = 296,444,191.33
5. Step 5: Solve for x
   x = 296,444,191.33/17,946.32
6. Step 6: Final answer
   x = 16,518.38