Finding the Fourth Proportional to 19,200.42, 26,496.72 and 10,816.92

Step by Step Solution

1. Step 1: Write the proportion equation
   19,200.42 : 26,496.72 = 10,816.92 : x
2. Step 2: Convert to fraction form
   19,200.42/26,496.72 = 10,816.92/x
3. Step 3: Cross multiply
   19,200.42x = 26,496.72 × 10,816.92
4. Step 4: Simplify right side
   19,200.42x = 286,612,900.50
5. Step 5: Solve for x
   x = 286,612,900.50/19,200.42
6. Step 6: Final answer
   x = 14,927.43