Finding the Fourth Proportional to 1,870.10, 2,801.10 and 1,627.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.10 : 2,801.10 = 1,627.10 : x
2. Step 2: Convert to fraction form
   1,870.10/2,801.10 = 1,627.10/x
3. Step 3: Cross multiply
   1,870.10x = 2,801.10 × 1,627.10
4. Step 4: Simplify right side
   1,870.10x = 4,557,669.81
5. Step 5: Solve for x
   x = 4,557,669.81/1,870.10
6. Step 6: Final answer
   x = 2,437.13