Finding the Fourth Proportional to 12,892.98, 19,340.82 and 5,498.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892.98 : 19,340.82 = 5,498.22 : x
2. Step 2: Convert to fraction form
   12,892.98/19,340.82 = 5,498.22/x
3. Step 3: Cross multiply
   12,892.98x = 19,340.82 × 5,498.22
4. Step 4: Simplify right side
   12,892.98x = 106,340,083.34
5. Step 5: Solve for x
   x = 106,340,083.34/12,892.98
6. Step 6: Final answer
   x = 8,247.91