Finding the Fourth Proportional to 12,737.16, 19,105.56 and 3,972.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,737.16 : 19,105.56 = 3,972.16 : x
2. Step 2: Convert to fraction form
   12,737.16/19,105.56 = 3,972.16/x
3. Step 3: Cross multiply
   12,737.16x = 19,105.56 × 3,972.16
4. Step 4: Simplify right side
   12,737.16x = 75,890,341.21
5. Step 5: Solve for x
   x = 75,890,341.21/12,737.16
6. Step 6: Final answer
   x = 5,958.18