Finding the Fourth Proportional to 142,499.52, 213,798.40 and 63,668.16

Step by Step Solution

1. Step 1: Write the proportion equation
   142,499.52 : 213,798.40 = 63,668.16 : x
2. Step 2: Convert to fraction form
   142,499.52/213,798.40 = 63,668.16/x
3. Step 3: Cross multiply
   142,499.52x = 213,798.40 × 63,668.16
4. Step 4: Simplify right side
   142,499.52x = 13,612,150,738.94
5. Step 5: Solve for x
   x = 13,612,150,738.94/142,499.52
6. Step 6: Final answer
   x = 95,524.19