Finding the Fourth Proportional to 63,321.78, 87,384.74 and 34,640.82

Step by Step Solution

1. Step 1: Write the proportion equation
   63,321.78 : 87,384.74 = 34,640.82 : x
2. Step 2: Convert to fraction form
   63,321.78/87,384.74 = 34,640.82/x
3. Step 3: Cross multiply
   63,321.78x = 87,384.74 × 34,640.82
4. Step 4: Simplify right side
   63,321.78x = 3,027,078,875.88
5. Step 5: Solve for x
   x = 3,027,078,875.88/63,321.78
6. Step 6: Final answer
   x = 47,804.70