Finding the Fourth Proportional to 17,860.72, 26,795.52 and 5,380.46

Step by Step Solution

1. Step 1: Write the proportion equation
   17,860.72 : 26,795.52 = 5,380.46 : x
2. Step 2: Convert to fraction form
   17,860.72/26,795.52 = 5,380.46/x
3. Step 3: Cross multiply
   17,860.72x = 26,795.52 × 5,380.46
4. Step 4: Simplify right side
   17,860.72x = 144,172,223.54
5. Step 5: Solve for x
   x = 144,172,223.54/17,860.72
6. Step 6: Final answer
   x = 8,072.03