Finding the Fourth Proportional to 1,874.64, 2,809.04 and 1,092.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,874.64 : 2,809.04 = 1,092.72 : x
2. Step 2: Convert to fraction form
   1,874.64/2,809.04 = 1,092.72/x
3. Step 3: Cross multiply
   1,874.64x = 2,809.04 × 1,092.72
4. Step 4: Simplify right side
   1,874.64x = 3,069,494.19
5. Step 5: Solve for x
   x = 3,069,494.19/1,874.64
6. Step 6: Final answer
   x = 1,637.38