Finding the Fourth Proportional to 1,442.13, 2,152.65 and 1,238.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,442.13 : 2,152.65 = 1,238.01 : x
2. Step 2: Convert to fraction form
   1,442.13/2,152.65 = 1,238.01/x
3. Step 3: Cross multiply
   1,442.13x = 2,152.65 × 1,238.01
4. Step 4: Simplify right side
   1,442.13x = 2,665,002.23
5. Step 5: Solve for x
   x = 2,665,002.23/1,442.13
6. Step 6: Final answer
   x = 1,847.96