Finding the Fourth Proportional to 2,388.35, 3,565.05 and 2,212.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,388.35 : 3,565.05 = 2,212.47 : x
2. Step 2: Convert to fraction form
   2,388.35/3,565.05 = 2,212.47/x
3. Step 3: Cross multiply
   2,388.35x = 3,565.05 × 2,212.47
4. Step 4: Simplify right side
   2,388.35x = 7,887,566.17
5. Step 5: Solve for x
   x = 7,887,566.17/2,388.35
6. Step 6: Final answer
   x = 3,302.52