Finding the Fourth Proportional to 12,748.42, 19,116.42 and 3,983.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,748.42 : 19,116.42 = 3,983.32 : x
2. Step 2: Convert to fraction form
   12,748.42/19,116.42 = 3,983.32/x
3. Step 3: Cross multiply
   12,748.42x = 19,116.42 × 3,983.32
4. Step 4: Simplify right side
   12,748.42x = 76,146,818.11
5. Step 5: Solve for x
   x = 76,146,818.11/12,748.42
6. Step 6: Final answer
   x = 5,973.04