Finding the Fourth Proportional to 111,518.32, 153,924.78 and 69,052.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,518.32 : 153,924.78 = 69,052.72 : x
2. Step 2: Convert to fraction form
   111,518.32/153,924.78 = 69,052.72/x
3. Step 3: Cross multiply
   111,518.32x = 153,924.78 × 69,052.72
4. Step 4: Simplify right side
   111,518.32x = 10,628,924,734.40
5. Step 5: Solve for x
   x = 10,628,924,734.40/111,518.32
6. Step 6: Final answer
   x = 95,311.02