Finding the Fourth Proportional to 1,075.52, 1,484.18 and 609.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.52 : 1,484.18 = 609.77 : x
2. Step 2: Convert to fraction form
   1,075.52/1,484.18 = 609.77/x
3. Step 3: Cross multiply
   1,075.52x = 1,484.18 × 609.77
4. Step 4: Simplify right side
   1,075.52x = 905,009.10
5. Step 5: Solve for x
   x = 905,009.10/1,075.52
6. Step 6: Final answer
   x = 841.46