Finding the Fourth Proportional to 1,905.31, 2,854.12 and 1,492.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905.31 : 2,854.12 = 1,492.48 : x
2. Step 2: Convert to fraction form
   1,905.31/2,854.12 = 1,492.48/x
3. Step 3: Cross multiply
   1,905.31x = 2,854.12 × 1,492.48
4. Step 4: Simplify right side
   1,905.31x = 4,259,717.02
5. Step 5: Solve for x
   x = 4,259,717.02/1,905.31
6. Step 6: Final answer
   x = 2,235.71