Finding the Fourth Proportional to 12,993.62, 19,495.89 and 5,098.55

Step by Step Solution

1. Step 1: Write the proportion equation
   12,993.62 : 19,495.89 = 5,098.55 : x
2. Step 2: Convert to fraction form
   12,993.62/19,495.89 = 5,098.55/x
3. Step 3: Cross multiply
   12,993.62x = 19,495.89 × 5,098.55
4. Step 4: Simplify right side
   12,993.62x = 99,400,672.48
5. Step 5: Solve for x
   x = 99,400,672.48/12,993.62
6. Step 6: Final answer
   x = 7,649.96