Finding the Fourth Proportional to 2,127.42, 3,189.37 and 940.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,127.42 : 3,189.37 = 940.62 : x
2. Step 2: Convert to fraction form
   2,127.42/3,189.37 = 940.62/x
3. Step 3: Cross multiply
   2,127.42x = 3,189.37 × 940.62
4. Step 4: Simplify right side
   2,127.42x = 2,999,985.21
5. Step 5: Solve for x
   x = 2,999,985.21/2,127.42
6. Step 6: Final answer
   x = 1,410.15