Finding the Fourth Proportional to 2,112.08, 2,914.24 and 1,553.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,112.08 : 2,914.24 = 1,553.03 : x
2. Step 2: Convert to fraction form
   2,112.08/2,914.24 = 1,553.03/x
3. Step 3: Cross multiply
   2,112.08x = 2,914.24 × 1,553.03
4. Step 4: Simplify right side
   2,112.08x = 4,525,902.15
5. Step 5: Solve for x
   x = 4,525,902.15/2,112.08
6. Step 6: Final answer
   x = 2,142.86