Finding the Fourth Proportional to 1,870.63, 2,817.08 and 1,630.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.63 : 2,817.08 = 1,630.06 : x
2. Step 2: Convert to fraction form
   1,870.63/2,817.08 = 1,630.06/x
3. Step 3: Cross multiply
   1,870.63x = 2,817.08 × 1,630.06
4. Step 4: Simplify right side
   1,870.63x = 4,592,009.42
5. Step 5: Solve for x
   x = 4,592,009.42/1,870.63
6. Step 6: Final answer
   x = 2,454.79