Finding the Fourth Proportional to 1,726.30, 2,380.90 and 1,061.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,726.30 : 2,380.90 = 1,061.98 : x
2. Step 2: Convert to fraction form
   1,726.30/2,380.90 = 1,061.98/x
3. Step 3: Cross multiply
   1,726.30x = 2,380.90 × 1,061.98
4. Step 4: Simplify right side
   1,726.30x = 2,528,468.18
5. Step 5: Solve for x
   x = 2,528,468.18/1,726.30
6. Step 6: Final answer
   x = 1,464.67