Finding the Fourth Proportional to 5,175,356.82, 7,143,209.47 and 3,216,714.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,175,356.82 : 7,143,209.47 = 3,216,714.10 : x
2. Step 2: Convert to fraction form
   5,175,356.82/7,143,209.47 = 3,216,714.10/x
3. Step 3: Cross multiply
   5,175,356.82x = 7,143,209.47 × 3,216,714.10
4. Step 4: Simplify right side
   5,175,356.82x = 22,977,662,595,502.72
5. Step 5: Solve for x
   x = 22,977,662,595,502.72/5,175,356.82
6. Step 6: Final answer
   x = 4,439,821.91