Finding the Fourth Proportional to 2,047.21, 3,076.98 and 1,356.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.21 : 3,076.98 = 1,356.22 : x
2. Step 2: Convert to fraction form
   2,047.21/3,076.98 = 1,356.22/x
3. Step 3: Cross multiply
   2,047.21x = 3,076.98 × 1,356.22
4. Step 4: Simplify right side
   2,047.21x = 4,173,061.82
5. Step 5: Solve for x
   x = 4,173,061.82/2,047.21
6. Step 6: Final answer
   x = 2,038.41