Finding the Fourth Proportional to 12,793.83, 19,193.34 and 5,398.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,793.83 : 19,193.34 = 5,398.31 : x
2. Step 2: Convert to fraction form
   12,793.83/19,193.34 = 5,398.31/x
3. Step 3: Cross multiply
   12,793.83x = 19,193.34 × 5,398.31
4. Step 4: Simplify right side
   12,793.83x = 103,611,503.29
5. Step 5: Solve for x
   x = 103,611,503.29/12,793.83
6. Step 6: Final answer
   x = 8,098.55