Finding the Fourth Proportional to 1,109.46, 1,663.67 and 590.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.46 : 1,663.67 = 590.07 : x
2. Step 2: Convert to fraction form
   1,109.46/1,663.67 = 590.07/x
3. Step 3: Cross multiply
   1,109.46x = 1,663.67 × 590.07
4. Step 4: Simplify right side
   1,109.46x = 981,681.76
5. Step 5: Solve for x
   x = 981,681.76/1,109.46
6. Step 6: Final answer
   x = 884.83