Finding the Fourth Proportional to 34,507.70, 51,827.16 and 21,451.31

Step by Step Solution

1. Step 1: Write the proportion equation
   34,507.70 : 51,827.16 = 21,451.31 : x
2. Step 2: Convert to fraction form
   34,507.70/51,827.16 = 21,451.31/x
3. Step 3: Cross multiply
   34,507.70x = 51,827.16 × 21,451.31
4. Step 4: Simplify right side
   34,507.70x = 1,111,760,685.59
5. Step 5: Solve for x
   x = 1,111,760,685.59/34,507.70
6. Step 6: Final answer
   x = 32,217.75