Finding the Fourth Proportional to 2,094.30, 3,139.53 and 999.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.30 : 3,139.53 = 999.18 : x
2. Step 2: Convert to fraction form
   2,094.30/3,139.53 = 999.18/x
3. Step 3: Cross multiply
   2,094.30x = 3,139.53 × 999.18
4. Step 4: Simplify right side
   2,094.30x = 3,136,955.59
5. Step 5: Solve for x
   x = 3,136,955.59/2,094.30
6. Step 6: Final answer
   x = 1,497.85