Finding the Fourth Proportional to 1,826.47, 2,734.84 and 1,427.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826.47 : 2,734.84 = 1,427.17 : x
2. Step 2: Convert to fraction form
   1,826.47/2,734.84 = 1,427.17/x
3. Step 3: Cross multiply
   1,826.47x = 2,734.84 × 1,427.17
4. Step 4: Simplify right side
   1,826.47x = 3,903,081.60
5. Step 5: Solve for x
   x = 3,903,081.60/1,826.47
6. Step 6: Final answer
   x = 2,136.95