Finding the Fourth Proportional to 109,911.56, 151,597.86 and 69,631.88

Step by Step Solution

1. Step 1: Write the proportion equation
   109,911.56 : 151,597.86 = 69,631.88 : x
2. Step 2: Convert to fraction form
   109,911.56/151,597.86 = 69,631.88/x
3. Step 3: Cross multiply
   109,911.56x = 151,597.86 × 69,631.88
4. Step 4: Simplify right side
   109,911.56x = 10,556,043,995.78
5. Step 5: Solve for x
   x = 10,556,043,995.78/109,911.56
6. Step 6: Final answer
   x = 96,041.25