Finding the Fourth Proportional to 19,196.49, 26,490.48 and 10,698.18

Step by Step Solution

1. Step 1: Write the proportion equation
   19,196.49 : 26,490.48 = 10,698.18 : x
2. Step 2: Convert to fraction form
   19,196.49/26,490.48 = 10,698.18/x
3. Step 3: Cross multiply
   19,196.49x = 26,490.48 × 10,698.18
4. Step 4: Simplify right side
   19,196.49x = 283,399,783.87
5. Step 5: Solve for x
   x = 283,399,783.87/19,196.49
6. Step 6: Final answer
   x = 14,763.10