Finding the Fourth Proportional to 1,822.48, 2,516.61 and 1,428.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,822.48 : 2,516.61 = 1,428.82 : x
2. Step 2: Convert to fraction form
   1,822.48/2,516.61 = 1,428.82/x
3. Step 3: Cross multiply
   1,822.48x = 2,516.61 × 1,428.82
4. Step 4: Simplify right side
   1,822.48x = 3,595,782.70
5. Step 5: Solve for x
   x = 3,595,782.70/1,822.48
6. Step 6: Final answer
   x = 1,973.02