Finding the Fourth Proportional to 2,990.04, 4,484.89 and 910.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,990.04 : 4,484.89 = 910.00 : x
2. Step 2: Convert to fraction form
   2,990.04/4,484.89 = 910.00/x
3. Step 3: Cross multiply
   2,990.04x = 4,484.89 × 910.00
4. Step 4: Simplify right side
   2,990.04x = 4,081,234.52
5. Step 5: Solve for x
   x = 4,081,234.52/2,990.04
6. Step 6: Final answer
   x = 1,364.94