Finding the Fourth Proportional to 2,268.71, 3,130.94 and 1,384.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,268.71 : 3,130.94 = 1,384.25 : x
2. Step 2: Convert to fraction form
   2,268.71/3,130.94 = 1,384.25/x
3. Step 3: Cross multiply
   2,268.71x = 3,130.94 × 1,384.25
4. Step 4: Simplify right side
   2,268.71x = 4,333,996.77
5. Step 5: Solve for x
   x = 4,333,996.77/2,268.71
6. Step 6: Final answer
   x = 1,910.34