Finding the Fourth Proportional to 34,520.72, 47,636.52 and 19,616.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,520.72 : 47,636.52 = 19,616.72 : x
2. Step 2: Convert to fraction form
   34,520.72/47,636.52 = 19,616.72/x
3. Step 3: Cross multiply
   34,520.72x = 47,636.52 × 19,616.72
4. Step 4: Simplify right side
   34,520.72x = 934,472,274.61
5. Step 5: Solve for x
   x = 934,472,274.61/34,520.72
6. Step 6: Final answer
   x = 27,069.90