Finding the Fourth Proportional to 1,782.02, 2,458.06 and 1,283.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.02 : 2,458.06 = 1,283.86 : x
2. Step 2: Convert to fraction form
   1,782.02/2,458.06 = 1,283.86/x
3. Step 3: Cross multiply
   1,782.02x = 2,458.06 × 1,283.86
4. Step 4: Simplify right side
   1,782.02x = 3,155,804.91
5. Step 5: Solve for x
   x = 3,155,804.91/1,782.02
6. Step 6: Final answer
   x = 1,770.91