Finding the Fourth Proportional to 2,478.03, 3,417.72 and 2,194.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.03 : 3,417.72 = 2,194.74 : x
2. Step 2: Convert to fraction form
   2,478.03/3,417.72 = 2,194.74/x
3. Step 3: Cross multiply
   2,478.03x = 3,417.72 × 2,194.74
4. Step 4: Simplify right side
   2,478.03x = 7,500,995.82
5. Step 5: Solve for x
   x = 7,500,995.82/2,478.03
6. Step 6: Final answer
   x = 3,027.01