Finding the Fourth Proportional to 71,401.41, 107,104.82 and 21,488.60

Step by Step Solution

1. Step 1: Write the proportion equation
   71,401.41 : 107,104.82 = 21,488.60 : x
2. Step 2: Convert to fraction form
   71,401.41/107,104.82 = 21,488.60/x
3. Step 3: Cross multiply
   71,401.41x = 107,104.82 × 21,488.60
4. Step 4: Simplify right side
   71,401.41x = 2,301,532,795.37
5. Step 5: Solve for x
   x = 2,301,532,795.37/71,401.41
6. Step 6: Final answer
   x = 32,233.72