Finding the Fourth Proportional to 71,516.84, 107,233.52 and 21,581.96

Step by Step Solution

1. Step 1: Write the proportion equation
   71,516.84 : 107,233.52 = 21,581.96 : x
2. Step 2: Convert to fraction form
   71,516.84/107,233.52 = 21,581.96/x
3. Step 3: Cross multiply
   71,516.84x = 107,233.52 × 21,581.96
4. Step 4: Simplify right side
   71,516.84x = 2,314,308,895.22
5. Step 5: Solve for x
   x = 2,314,308,895.22/71,516.84
6. Step 6: Final answer
   x = 32,360.34