Finding the Fourth Proportional to 34,503.62, 47,581.17 and 21,906.50

Step by Step Solution

1. Step 1: Write the proportion equation
   34,503.62 : 47,581.17 = 21,906.50 : x
2. Step 2: Convert to fraction form
   34,503.62/47,581.17 = 21,906.50/x
3. Step 3: Cross multiply
   34,503.62x = 47,581.17 × 21,906.50
4. Step 4: Simplify right side
   34,503.62x = 1,042,336,900.61
5. Step 5: Solve for x
   x = 1,042,336,900.61/34,503.62
6. Step 6: Final answer
   x = 30,209.49