Finding the Fourth Proportional to 3,691.31, 5,094.01 and 2,012.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,691.31 : 5,094.01 = 2,012.72 : x
2. Step 2: Convert to fraction form
   3,691.31/5,094.01 = 2,012.72/x
3. Step 3: Cross multiply
   3,691.31x = 5,094.01 × 2,012.72
4. Step 4: Simplify right side
   3,691.31x = 10,252,805.74
5. Step 5: Solve for x
   x = 10,252,805.74/3,691.31
6. Step 6: Final answer
   x = 2,777.55