Finding the Fourth Proportional to 2,095.31, 2,892.05 and 1,211.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.31 : 2,892.05 = 1,211.63 : x
2. Step 2: Convert to fraction form
   2,095.31/2,892.05 = 1,211.63/x
3. Step 3: Cross multiply
   2,095.31x = 2,892.05 × 1,211.63
4. Step 4: Simplify right side
   2,095.31x = 3,504,077.05
5. Step 5: Solve for x
   x = 3,504,077.05/2,095.31
6. Step 6: Final answer
   x = 1,672.34