Finding the Fourth Proportional to 1,075.34, 1,483.98 and 609.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.34 : 1,483.98 = 609.50 : x
2. Step 2: Convert to fraction form
   1,075.34/1,483.98 = 609.50/x
3. Step 3: Cross multiply
   1,075.34x = 1,483.98 × 609.50
4. Step 4: Simplify right side
   1,075.34x = 904,485.81
5. Step 5: Solve for x
   x = 904,485.81/1,075.34
6. Step 6: Final answer
   x = 841.12