Finding the Fourth Proportional to 63,079.76, 87,003.24 and 42,930.32

Step by Step Solution

1. Step 1: Write the proportion equation
   63,079.76 : 87,003.24 = 42,930.32 : x
2. Step 2: Convert to fraction form
   63,079.76/87,003.24 = 42,930.32/x
3. Step 3: Cross multiply
   63,079.76x = 87,003.24 × 42,930.32
4. Step 4: Simplify right side
   63,079.76x = 3,735,076,934.24
5. Step 5: Solve for x
   x = 3,735,076,934.24/63,079.76
6. Step 6: Final answer
   x = 59,211.97