Finding the Fourth Proportional to 5,085.05, 7,642.33 and 3,364.61

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.05 : 7,642.33 = 3,364.61 : x
2. Step 2: Convert to fraction form
   5,085.05/7,642.33 = 3,364.61/x
3. Step 3: Cross multiply
   5,085.05x = 7,642.33 × 3,364.61
4. Step 4: Simplify right side
   5,085.05x = 25,713,404.91
5. Step 5: Solve for x
   x = 25,713,404.91/5,085.05
6. Step 6: Final answer
   x = 5,056.67