Finding the Fourth Proportional to 19,253.28, 26,568.72 and 10,870.08

Step by Step Solution

1. Step 1: Write the proportion equation
   19,253.28 : 26,568.72 = 10,870.08 : x
2. Step 2: Convert to fraction form
   19,253.28/26,568.72 = 10,870.08/x
3. Step 3: Cross multiply
   19,253.28x = 26,568.72 × 10,870.08
4. Step 4: Simplify right side
   19,253.28x = 288,804,111.90
5. Step 5: Solve for x
   x = 288,804,111.90/19,253.28
6. Step 6: Final answer
   x = 15,000.26