Finding the Fourth Proportional to 63,510.72, 87,609.36 and 59,005.44

Step by Step Solution

1. Step 1: Write the proportion equation
   63,510.72 : 87,609.36 = 59,005.44 : x
2. Step 2: Convert to fraction form
   63,510.72/87,609.36 = 59,005.44/x
3. Step 3: Cross multiply
   63,510.72x = 87,609.36 × 59,005.44
4. Step 4: Simplify right side
   63,510.72x = 5,169,428,834.92
5. Step 5: Solve for x
   x = 5,169,428,834.92/63,510.72
6. Step 6: Final answer
   x = 81,394.59