Finding the Fourth Proportional to 111,770.55, 154,181.88 and 70,859.88

Step by Step Solution

1. Step 1: Write the proportion equation
   111,770.55 : 154,181.88 = 70,859.88 : x
2. Step 2: Convert to fraction form
   111,770.55/154,181.88 = 70,859.88/x
3. Step 3: Cross multiply
   111,770.55x = 154,181.88 × 70,859.88
4. Step 4: Simplify right side
   111,770.55x = 10,925,309,514.97
5. Step 5: Solve for x
   x = 10,925,309,514.97/111,770.55
6. Step 6: Final answer
   x = 97,747.66