Finding the Fourth Proportional to 111,013.84, 153,217.20 and 82,522.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,013.84 : 153,217.20 = 82,522.72 : x
2. Step 2: Convert to fraction form
   111,013.84/153,217.20 = 82,522.72/x
3. Step 3: Cross multiply
   111,013.84x = 153,217.20 × 82,522.72
4. Step 4: Simplify right side
   111,013.84x = 12,643,900,094.78
5. Step 5: Solve for x
   x = 12,643,900,094.78/111,013.84
6. Step 6: Final answer
   x = 113,894.81