Finding the Fourth Proportional to 17,868.30, 26,793.78 and 5,386.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,868.30 : 26,793.78 = 5,386.01 : x
2. Step 2: Convert to fraction form
   17,868.30/26,793.78 = 5,386.01/x
3. Step 3: Cross multiply
   17,868.30x = 26,793.78 × 5,386.01
4. Step 4: Simplify right side
   17,868.30x = 144,311,433.05
5. Step 5: Solve for x
   x = 144,311,433.05/17,868.30
6. Step 6: Final answer
   x = 8,076.39