Finding the Fourth Proportional to 1,099.02, 1,648.00 and 406.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.02 : 1,648.00 = 406.01 : x
2. Step 2: Convert to fraction form
   1,099.02/1,648.00 = 406.01/x
3. Step 3: Cross multiply
   1,099.02x = 1,648.00 × 406.01
4. Step 4: Simplify right side
   1,099.02x = 669,106.82
5. Step 5: Solve for x
   x = 669,106.82/1,099.02
6. Step 6: Final answer
   x = 608.82