Finding the Fourth Proportional to 12,737.30, 19,107.16 and 4,946.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,737.30 : 19,107.16 = 4,946.72 : x
2. Step 2: Convert to fraction form
   12,737.30/19,107.16 = 4,946.72/x
3. Step 3: Cross multiply
   12,737.30x = 19,107.16 × 4,946.72
4. Step 4: Simplify right side
   12,737.30x = 94,517,662.61
5. Step 5: Solve for x
   x = 94,517,662.61/12,737.30
6. Step 6: Final answer
   x = 7,420.54