Finding the Fourth Proportional to 2,047.52, 2,826.65 and 1,378.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.52 : 2,826.65 = 1,378.84 : x
2. Step 2: Convert to fraction form
   2,047.52/2,826.65 = 1,378.84/x
3. Step 3: Cross multiply
   2,047.52x = 2,826.65 × 1,378.84
4. Step 4: Simplify right side
   2,047.52x = 3,897,498.09
5. Step 5: Solve for x
   x = 3,897,498.09/2,047.52
6. Step 6: Final answer
   x = 1,903.52