Finding the Fourth Proportional to 71,488.82, 107,234.01 and 21,569.36

Step by Step Solution

1. Step 1: Write the proportion equation
   71,488.82 : 107,234.01 = 21,569.36 : x
2. Step 2: Convert to fraction form
   71,488.82/107,234.01 = 21,569.36/x
3. Step 3: Cross multiply
   71,488.82x = 107,234.01 × 21,569.36
4. Step 4: Simplify right side
   71,488.82x = 2,312,968,429.76
5. Step 5: Solve for x
   x = 2,312,968,429.76/71,488.82
6. Step 6: Final answer
   x = 32,354.27