Finding the Fourth Proportional to 3,553.02, 4,903.20 and 2,061.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553.02 : 4,903.20 = 2,061.18 : x
2. Step 2: Convert to fraction form
   3,553.02/4,903.20 = 2,061.18/x
3. Step 3: Cross multiply
   3,553.02x = 4,903.20 × 2,061.18
4. Step 4: Simplify right side
   3,553.02x = 10,106,377.78
5. Step 5: Solve for x
   x = 10,106,377.78/3,553.02
6. Step 6: Final answer
   x = 2,844.45