Finding the Fourth Proportional to 3,454.00, 5,181.86 and 989.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,454.00 : 5,181.86 = 989.01 : x
2. Step 2: Convert to fraction form
   3,454.00/5,181.86 = 989.01/x
3. Step 3: Cross multiply
   3,454.00x = 5,181.86 × 989.01
4. Step 4: Simplify right side
   3,454.00x = 5,124,913.83
5. Step 5: Solve for x
   x = 5,124,913.83/3,454.00
6. Step 6: Final answer
   x = 1,483.76