Finding the Fourth Proportional to 63,669.28, 87,900.24 and 42,518.56

Step by Step Solution

1. Step 1: Write the proportion equation
   63,669.28 : 87,900.24 = 42,518.56 : x
2. Step 2: Convert to fraction form
   63,669.28/87,900.24 = 42,518.56/x
3. Step 3: Cross multiply
   63,669.28x = 87,900.24 × 42,518.56
4. Step 4: Simplify right side
   63,669.28x = 3,737,391,628.45
5. Step 5: Solve for x
   x = 3,737,391,628.45/63,669.28
6. Step 6: Final answer
   x = 58,700.08