Finding the Fourth Proportional to 2,127.02, 3,189.15 and 740.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.02 : 3,189.15 = 740.25 : x
2. Step 2: Convert to fraction form
   2,127.02/3,189.15 = 740.25/x
3. Step 3: Cross multiply
   2,127.02x = 3,189.15 × 740.25
4. Step 4: Simplify right side
   2,127.02x = 2,360,768.29
5. Step 5: Solve for x
   x = 2,360,768.29/2,127.02
6. Step 6: Final answer
   x = 1,109.90