Finding the Fourth Proportional to 1,553.55, 2,141.94 and 1,133.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,553.55 : 2,141.94 = 1,133.56 : x
2. Step 2: Convert to fraction form
   1,553.55/2,141.94 = 1,133.56/x
3. Step 3: Cross multiply
   1,553.55x = 2,141.94 × 1,133.56
4. Step 4: Simplify right side
   1,553.55x = 2,428,017.51
5. Step 5: Solve for x
   x = 2,428,017.51/1,553.55
6. Step 6: Final answer
   x = 1,562.88