Finding the Fourth Proportional to 63,720.16, 87,744.72 and 45,783.52

Step by Step Solution

1. Step 1: Write the proportion equation
   63,720.16 : 87,744.72 = 45,783.52 : x
2. Step 2: Convert to fraction form
   63,720.16/87,744.72 = 45,783.52/x
3. Step 3: Cross multiply
   63,720.16x = 87,744.72 × 45,783.52
4. Step 4: Simplify right side
   63,720.16x = 4,017,262,143.01
5. Step 5: Solve for x
   x = 4,017,262,143.01/63,720.16
6. Step 6: Final answer
   x = 63,045.39