Finding the Fourth Proportional to 34,141.32, 47,111.22 and 20,715.84

Step by Step Solution

1. Step 1: Write the proportion equation
   34,141.32 : 47,111.22 = 20,715.84 : x
2. Step 2: Convert to fraction form
   34,141.32/47,111.22 = 20,715.84/x
3. Step 3: Cross multiply
   34,141.32x = 47,111.22 × 20,715.84
4. Step 4: Simplify right side
   34,141.32x = 975,948,495.72
5. Step 5: Solve for x
   x = 975,948,495.72/34,141.32
6. Step 6: Final answer
   x = 28,585.55