Finding the Fourth Proportional to 71,397.98, 107,111.94 and 21,481.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,397.98 : 107,111.94 = 21,481.72 : x
2. Step 2: Convert to fraction form
   71,397.98/107,111.94 = 21,481.72/x
3. Step 3: Cross multiply
   71,397.98x = 107,111.94 × 21,481.72
4. Step 4: Simplify right side
   71,397.98x = 2,300,948,703.74
5. Step 5: Solve for x
   x = 2,300,948,703.74/71,397.98
6. Step 6: Final answer
   x = 32,227.08