Finding the Fourth Proportional to 1,382.06, 2,068.31 and 1,302.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.06 : 2,068.31 = 1,302.10 : x
2. Step 2: Convert to fraction form
   1,382.06/2,068.31 = 1,302.10/x
3. Step 3: Cross multiply
   1,382.06x = 2,068.31 × 1,302.10
4. Step 4: Simplify right side
   1,382.06x = 2,693,146.69
5. Step 5: Solve for x
   x = 2,693,146.69/1,382.06
6. Step 6: Final answer
   x = 1,948.64