Finding the Fourth Proportional to 2,974.62, 4,436.76 and 2,803.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.62 : 4,436.76 = 2,803.30 : x
2. Step 2: Convert to fraction form
   2,974.62/4,436.76 = 2,803.30/x
3. Step 3: Cross multiply
   2,974.62x = 4,436.76 × 2,803.30
4. Step 4: Simplify right side
   2,974.62x = 12,437,569.31
5. Step 5: Solve for x
   x = 12,437,569.31/2,974.62
6. Step 6: Final answer
   x = 4,181.23