Finding the Fourth Proportional to 8,337.30, 12,499.71 and 2,787.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,337.30 : 12,499.71 = 2,787.42 : x
2. Step 2: Convert to fraction form
   8,337.30/12,499.71 = 2,787.42/x
3. Step 3: Cross multiply
   8,337.30x = 12,499.71 × 2,787.42
4. Step 4: Simplify right side
   8,337.30x = 34,841,941.65
5. Step 5: Solve for x
   x = 34,841,941.65/8,337.30
6. Step 6: Final answer
   x = 4,179.04