Finding the Fourth Proportional to 2,994.23, 4,490.18 and 1,239.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,994.23 : 4,490.18 = 1,239.53 : x
2. Step 2: Convert to fraction form
   2,994.23/4,490.18 = 1,239.53/x
3. Step 3: Cross multiply
   2,994.23x = 4,490.18 × 1,239.53
4. Step 4: Simplify right side
   2,994.23x = 5,565,684.17
5. Step 5: Solve for x
   x = 5,565,684.17/2,994.23
6. Step 6: Final answer
   x = 1,858.81