Finding the Fourth Proportional to 1,111.04, 1,663.80 and 563.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.04 : 1,663.80 = 563.48 : x
2. Step 2: Convert to fraction form
   1,111.04/1,663.80 = 563.48/x
3. Step 3: Cross multiply
   1,111.04x = 1,663.80 × 563.48
4. Step 4: Simplify right side
   1,111.04x = 937,509.71
5. Step 5: Solve for x
   x = 937,509.71/1,111.04
6. Step 6: Final answer
   x = 843.82