Finding the Fourth Proportional to 2,976.30, 4,115.10 and 2,929.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,976.30 : 4,115.10 = 2,929.53 : x
2. Step 2: Convert to fraction form
   2,976.30/4,115.10 = 2,929.53/x
3. Step 3: Cross multiply
   2,976.30x = 4,115.10 × 2,929.53
4. Step 4: Simplify right side
   2,976.30x = 12,055,308.90
5. Step 5: Solve for x
   x = 12,055,308.90/2,976.30
6. Step 6: Final answer
   x = 4,050.43