Finding the Fourth Proportional to 2,279.34, 3,416.85 and 2,069.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.34 : 3,416.85 = 2,069.82 : x
2. Step 2: Convert to fraction form
   2,279.34/3,416.85 = 2,069.82/x
3. Step 3: Cross multiply
   2,279.34x = 3,416.85 × 2,069.82
4. Step 4: Simplify right side
   2,279.34x = 7,072,264.47
5. Step 5: Solve for x
   x = 7,072,264.47/2,279.34
6. Step 6: Final answer
   x = 3,102.77