Finding the Fourth Proportional to 942.35, 1,300.00 and 549.30

Step by Step Solution

1. Step 1: Write the proportion equation
   942.35 : 1,300.00 = 549.30 : x
2. Step 2: Convert to fraction form
   942.35/1,300.00 = 549.30/x
3. Step 3: Cross multiply
   942.35x = 1,300.00 × 549.30
4. Step 4: Simplify right side
   942.35x = 714,087.25
5. Step 5: Solve for x
   x = 714,087.25/942.35
6. Step 6: Final answer
   x = 757.77