Finding the Fourth Proportional to 8,334.46, 12,499.83 and 2,490.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,334.46 : 12,499.83 = 2,490.31 : x
2. Step 2: Convert to fraction form
   8,334.46/12,499.83 = 2,490.31/x
3. Step 3: Cross multiply
   8,334.46x = 12,499.83 × 2,490.31
4. Step 4: Simplify right side
   8,334.46x = 31,128,451.65
5. Step 5: Solve for x
   x = 31,128,451.65/8,334.46
6. Step 6: Final answer
   x = 3,734.91