Finding the Fourth Proportional to 34,450.16, 47,526.72 and 21,680.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,450.16 : 47,526.72 = 21,680.72 : x
2. Step 2: Convert to fraction form
   34,450.16/47,526.72 = 21,680.72/x
3. Step 3: Cross multiply
   34,450.16x = 47,526.72 × 21,680.72
4. Step 4: Simplify right side
   34,450.16x = 1,030,413,508.84
5. Step 5: Solve for x
   x = 1,030,413,508.84/34,450.16
6. Step 6: Final answer
   x = 29,910.27