Finding the Fourth Proportional to 1,402.32, 2,097.96 and 1,238.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.32 : 2,097.96 = 1,238.16 : x
2. Step 2: Convert to fraction form
   1,402.32/2,097.96 = 1,238.16/x
3. Step 3: Cross multiply
   1,402.32x = 2,097.96 × 1,238.16
4. Step 4: Simplify right side
   1,402.32x = 2,597,610.15
5. Step 5: Solve for x
   x = 2,597,610.15/1,402.32
6. Step 6: Final answer
   x = 1,852.37