Finding the Fourth Proportional to 12,691, 19,044.18 and 5,295.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,691 : 19,044.18 = 5,295.16 : x
2. Step 2: Convert to fraction form
   12,691/19,044.18 = 5,295.16/x
3. Step 3: Cross multiply
   12,691x = 19,044.18 × 5,295.16
4. Step 4: Simplify right side
   12,691x = 100,841,980.17
5. Step 5: Solve for x
   x = 100,841,980.17/12,691
6. Step 6: Final answer
   x = 7,945.94