Finding the Fourth Proportional to 63,347.34, 87,347.79 and 47,380.62

Step by Step Solution

1. Step 1: Write the proportion equation
   63,347.34 : 87,347.79 = 47,380.62 : x
2. Step 2: Convert to fraction form
   63,347.34/87,347.79 = 47,380.62/x
3. Step 3: Cross multiply
   63,347.34x = 87,347.79 × 47,380.62
4. Step 4: Simplify right side
   63,347.34x = 4,138,592,445.83
5. Step 5: Solve for x
   x = 4,138,592,445.83/63,347.34
6. Step 6: Final answer
   x = 65,331.75