Finding the Fourth Proportional to 12,694.32, 19,039.86 and 4,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,694.32 : 19,039.86 = 4,900.50 : x
2. Step 2: Convert to fraction form
   12,694.32/19,039.86 = 4,900.50/x
3. Step 3: Cross multiply
   12,694.32x = 19,039.86 × 4,900.50
4. Step 4: Simplify right side
   12,694.32x = 93,304,833.93
5. Step 5: Solve for x
   x = 93,304,833.93/12,694.32
6. Step 6: Final answer
   x = 7,350.12