Finding the Fourth Proportional to 19,401.50, 29,105.76 and 12,833.12

Step by Step Solution

1. Step 1: Write the proportion equation
   19,401.50 : 29,105.76 = 12,833.12 : x
2. Step 2: Convert to fraction form
   19,401.50/29,105.76 = 12,833.12/x
3. Step 3: Cross multiply
   19,401.50x = 29,105.76 × 12,833.12
4. Step 4: Simplify right side
   19,401.50x = 373,517,710.77
5. Step 5: Solve for x
   x = 373,517,710.77/19,401.50
6. Step 6: Final answer
   x = 19,252.00