Finding the Fourth Proportional to 63,491.76, 87,627.53 and 39,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   63,491.76 : 87,627.53 = 39,300.48 : x
2. Step 2: Convert to fraction form
   63,491.76/87,627.53 = 39,300.48/x
3. Step 3: Cross multiply
   63,491.76x = 87,627.53 × 39,300.48
4. Step 4: Simplify right side
   63,491.76x = 3,443,804,088.47
5. Step 5: Solve for x
   x = 3,443,804,088.47/63,491.76
6. Step 6: Final answer
   x = 54,240.17