Finding the Fourth Proportional to 1,050.51, 1,576.18 and 401.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.51 : 1,576.18 = 401.10 : x
2. Step 2: Convert to fraction form
   1,050.51/1,576.18 = 401.10/x
3. Step 3: Cross multiply
   1,050.51x = 1,576.18 × 401.10
4. Step 4: Simplify right side
   1,050.51x = 632,200.39
5. Step 5: Solve for x
   x = 632,200.39/1,050.51
6. Step 6: Final answer
   x = 601.80