Finding the Fourth Proportional to 19,200.82, 26,498.13 and 10,818.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,200.82 : 26,498.13 = 10,818.10 : x
2. Step 2: Convert to fraction form
   19,200.82/26,498.13 = 10,818.10/x
3. Step 3: Cross multiply
   19,200.82x = 26,498.13 × 10,818.10
4. Step 4: Simplify right side
   19,200.82x = 286,659,420.15
5. Step 5: Solve for x
   x = 286,659,420.15/19,200.82
6. Step 6: Final answer
   x = 14,929.54