Finding the Fourth Proportional to 2,259.84, 3,117.12 and 1,374.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.84 : 3,117.12 = 1,374.72 : x
2. Step 2: Convert to fraction form
   2,259.84/3,117.12 = 1,374.72/x
3. Step 3: Cross multiply
   2,259.84x = 3,117.12 × 1,374.72
4. Step 4: Simplify right side
   2,259.84x = 4,285,167.21
5. Step 5: Solve for x
   x = 4,285,167.21/2,259.84
6. Step 6: Final answer
   x = 1,896.23