Finding the Fourth Proportional to 111,630.42, 153,879.30 and 68,530.32

Step by Step Solution

1. Step 1: Write the proportion equation
   111,630.42 : 153,879.30 = 68,530.32 : x
2. Step 2: Convert to fraction form
   111,630.42/153,879.30 = 68,530.32/x
3. Step 3: Cross multiply
   111,630.42x = 153,879.30 × 68,530.32
4. Step 4: Simplify right side
   111,630.42x = 10,545,397,670.38
5. Step 5: Solve for x
   x = 10,545,397,670.38/111,630.42
6. Step 6: Final answer
   x = 94,467.06