Finding the Fourth Proportional to 2,111.32, 3,167.70 and 942.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.32 : 3,167.70 = 942.13 : x
2. Step 2: Convert to fraction form
   2,111.32/3,167.70 = 942.13/x
3. Step 3: Cross multiply
   2,111.32x = 3,167.70 × 942.13
4. Step 4: Simplify right side
   2,111.32x = 2,984,385.20
5. Step 5: Solve for x
   x = 2,984,385.20/2,111.32
6. Step 6: Final answer
   x = 1,413.52