Finding the Fourth Proportional to 1,393.30, 2,089.81 and 468.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,393.30 : 2,089.81 = 468.82 : x
2. Step 2: Convert to fraction form
   1,393.30/2,089.81 = 468.82/x
3. Step 3: Cross multiply
   1,393.30x = 2,089.81 × 468.82
4. Step 4: Simplify right side
   1,393.30x = 979,744.72
5. Step 5: Solve for x
   x = 979,744.72/1,393.30
6. Step 6: Final answer
   x = 703.18