Finding the Fourth Proportional to 12,737.42, 19,108.38 and 3,970.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,737.42 : 19,108.38 = 3,970.16 : x
2. Step 2: Convert to fraction form
   12,737.42/19,108.38 = 3,970.16/x
3. Step 3: Cross multiply
   12,737.42x = 19,108.38 × 3,970.16
4. Step 4: Simplify right side
   12,737.42x = 75,863,325.94
5. Step 5: Solve for x
   x = 75,863,325.94/12,737.42
6. Step 6: Final answer
   x = 5,955.94