Finding the Fourth Proportional to 3,714.84, 5,115.67 and 3,477.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,714.84 : 5,115.67 = 3,477.40 : x
2. Step 2: Convert to fraction form
   3,714.84/5,115.67 = 3,477.40/x
3. Step 3: Cross multiply
   3,714.84x = 5,115.67 × 3,477.40
4. Step 4: Simplify right side
   3,714.84x = 17,789,230.86
5. Step 5: Solve for x
   x = 17,789,230.86/3,714.84
6. Step 6: Final answer
   x = 4,788.69