Finding the Fourth Proportional to 2,385.02, 3,289.20 and 1,726.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,385.02 : 3,289.20 = 1,726.22 : x
2. Step 2: Convert to fraction form
   2,385.02/3,289.20 = 1,726.22/x
3. Step 3: Cross multiply
   2,385.02x = 3,289.20 × 1,726.22
4. Step 4: Simplify right side
   2,385.02x = 5,677,882.82
5. Step 5: Solve for x
   x = 5,677,882.82/2,385.02
6. Step 6: Final answer
   x = 2,380.64