Finding the Fourth Proportional to 111,208.42, 153,478.59 and 63,468.91

Step by Step Solution

1. Step 1: Write the proportion equation
   111,208.42 : 153,478.59 = 63,468.91 : x
2. Step 2: Convert to fraction form
   111,208.42/153,478.59 = 63,468.91/x
3. Step 3: Cross multiply
   111,208.42x = 153,478.59 × 63,468.91
4. Step 4: Simplify right side
   111,208.42x = 9,741,118,048.24
5. Step 5: Solve for x
   x = 9,741,118,048.24/111,208.42
6. Step 6: Final answer
   x = 87,593.35