Finding the Fourth Proportional to 34,227.61, 47,214.39 and 20,606.18

Step by Step Solution

1. Step 1: Write the proportion equation
   34,227.61 : 47,214.39 = 20,606.18 : x
2. Step 2: Convert to fraction form
   34,227.61/47,214.39 = 20,606.18/x
3. Step 3: Cross multiply
   34,227.61x = 47,214.39 × 20,606.18
4. Step 4: Simplify right side
   34,227.61x = 972,908,100.89
5. Step 5: Solve for x
   x = 972,908,100.89/34,227.61
6. Step 6: Final answer
   x = 28,424.66