Finding the Fourth Proportional to 1,261.06, 1,890.16 and 566.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,261.06 : 1,890.16 = 566.69 : x
2. Step 2: Convert to fraction form
   1,261.06/1,890.16 = 566.69/x
3. Step 3: Cross multiply
   1,261.06x = 1,890.16 × 566.69
4. Step 4: Simplify right side
   1,261.06x = 1,071,123.90
5. Step 5: Solve for x
   x = 1,071,123.90/1,261.06
6. Step 6: Final answer
   x = 849.39