Finding the Fourth Proportional to 34,321.59, 47,349.72 and 20,882.07

Step by Step Solution

1. Step 1: Write the proportion equation
   34,321.59 : 47,349.72 = 20,882.07 : x
2. Step 2: Convert to fraction form
   34,321.59/47,349.72 = 20,882.07/x
3. Step 3: Cross multiply
   34,321.59x = 47,349.72 × 20,882.07
4. Step 4: Simplify right side
   34,321.59x = 988,760,167.52
5. Step 5: Solve for x
   x = 988,760,167.52/34,321.59
6. Step 6: Final answer
   x = 28,808.69