Finding the Fourth Proportional to 2,188.32, 3,282.89 and 707.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.32 : 3,282.89 = 707.93 : x
2. Step 2: Convert to fraction form
   2,188.32/3,282.89 = 707.93/x
3. Step 3: Cross multiply
   2,188.32x = 3,282.89 × 707.93
4. Step 4: Simplify right side
   2,188.32x = 2,324,056.32
5. Step 5: Solve for x
   x = 2,324,056.32/2,188.32
6. Step 6: Final answer
   x = 1,062.03