Finding the Fourth Proportional to 1,761.08, 2,426.52 and 1,445.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.08 : 2,426.52 = 1,445.28 : x
2. Step 2: Convert to fraction form
   1,761.08/2,426.52 = 1,445.28/x
3. Step 3: Cross multiply
   1,761.08x = 2,426.52 × 1,445.28
4. Step 4: Simplify right side
   1,761.08x = 3,507,000.83
5. Step 5: Solve for x
   x = 3,507,000.83/1,761.08
6. Step 6: Final answer
   x = 1,991.39