Finding the Fourth Proportional to 63,127.49, 87,055.12 and 42,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   63,127.49 : 87,055.12 = 42,477.50 : x
2. Step 2: Convert to fraction form
   63,127.49/87,055.12 = 42,477.50/x
3. Step 3: Cross multiply
   63,127.49x = 87,055.12 × 42,477.50
4. Step 4: Simplify right side
   63,127.49x = 3,697,883,859.80
5. Step 5: Solve for x
   x = 3,697,883,859.80/63,127.49
6. Step 6: Final answer
   x = 58,578.03