Finding the Fourth Proportional to 1,146.51, 1,719.71 and 561.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.51 : 1,719.71 = 561.33 : x
2. Step 2: Convert to fraction form
   1,146.51/1,719.71 = 561.33/x
3. Step 3: Cross multiply
   1,146.51x = 1,719.71 × 561.33
4. Step 4: Simplify right side
   1,146.51x = 965,322.01
5. Step 5: Solve for x
   x = 965,322.01/1,146.51
6. Step 6: Final answer
   x = 841.97