Finding the Fourth Proportional to 34,126.21, 51,244.89 and 21,061.63

Step by Step Solution

1. Step 1: Write the proportion equation
   34,126.21 : 51,244.89 = 21,061.63 : x
2. Step 2: Convert to fraction form
   34,126.21/51,244.89 = 21,061.63/x
3. Step 3: Cross multiply
   34,126.21x = 51,244.89 × 21,061.63
4. Step 4: Simplify right side
   34,126.21x = 1,079,300,912.57
5. Step 5: Solve for x
   x = 1,079,300,912.57/34,126.21
6. Step 6: Final answer
   x = 31,626.74