Finding the Fourth Proportional to 63,491.61, 87,627.34 and 39,300.34

Step by Step Solution

1. Step 1: Write the proportion equation
   63,491.61 : 87,627.34 = 39,300.34 : x
2. Step 2: Convert to fraction form
   63,491.61/87,627.34 = 39,300.34/x
3. Step 3: Cross multiply
   63,491.61x = 87,627.34 × 39,300.34
4. Step 4: Simplify right side
   63,491.61x = 3,443,784,255.30
5. Step 5: Solve for x
   x = 3,443,784,255.30/63,491.61
6. Step 6: Final answer
   x = 54,239.99