Finding the Fourth Proportional to 1,133.01, 1,561.43 and 883.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,133.01 : 1,561.43 = 883.93 : x
2. Step 2: Convert to fraction form
   1,133.01/1,561.43 = 883.93/x
3. Step 3: Cross multiply
   1,133.01x = 1,561.43 × 883.93
4. Step 4: Simplify right side
   1,133.01x = 1,380,194.82
5. Step 5: Solve for x
   x = 1,380,194.82/1,133.01
6. Step 6: Final answer
   x = 1,218.17