Finding the Fourth Proportional to 1,402.68, 2,111.34 and 1,191.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.68 : 2,111.34 = 1,191.27 : x
2. Step 2: Convert to fraction form
   1,402.68/2,111.34 = 1,191.27/x
3. Step 3: Cross multiply
   1,402.68x = 2,111.34 × 1,191.27
4. Step 4: Simplify right side
   1,402.68x = 2,515,176.00
5. Step 5: Solve for x
   x = 2,515,176.00/1,402.68
6. Step 6: Final answer
   x = 1,793.12