Finding the Fourth Proportional to 34,274.72, 47,315.04 and 21,716.48

Step by Step Solution

1. Step 1: Write the proportion equation
   34,274.72 : 47,315.04 = 21,716.48 : x
2. Step 2: Convert to fraction form
   34,274.72/47,315.04 = 21,716.48/x
3. Step 3: Cross multiply
   34,274.72x = 47,315.04 × 21,716.48
4. Step 4: Simplify right side
   34,274.72x = 1,027,516,119.86
5. Step 5: Solve for x
   x = 1,027,516,119.86/34,274.72
6. Step 6: Final answer
   x = 29,978.83