Finding the Fourth Proportional to 1,075.09, 1,483.58 and 702.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075.09 : 1,483.58 = 702.76 : x
2. Step 2: Convert to fraction form
   1,075.09/1,483.58 = 702.76/x
3. Step 3: Cross multiply
   1,075.09x = 1,483.58 × 702.76
4. Step 4: Simplify right side
   1,075.09x = 1,042,597.17
5. Step 5: Solve for x
   x = 1,042,597.17/1,075.09
6. Step 6: Final answer
   x = 969.78