Finding the Fourth Proportional to 1,383.02, 1,908.42 and 762.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.02 : 1,908.42 = 762.02 : x
2. Step 2: Convert to fraction form
   1,383.02/1,908.42 = 762.02/x
3. Step 3: Cross multiply
   1,383.02x = 1,908.42 × 762.02
4. Step 4: Simplify right side
   1,383.02x = 1,454,254.21
5. Step 5: Solve for x
   x = 1,454,254.21/1,383.02
6. Step 6: Final answer
   x = 1,051.51