Finding the Fourth Proportional to 162,956.72, 224,868.12 and 99,284.24

Step by Step Solution

1. Step 1: Write the proportion equation
   162,956.72 : 224,868.12 = 99,284.24 : x
2. Step 2: Convert to fraction form
   162,956.72/224,868.12 = 99,284.24/x
3. Step 3: Cross multiply
   162,956.72x = 224,868.12 × 99,284.24
4. Step 4: Simplify right side
   162,956.72x = 22,325,860,394.43
5. Step 5: Solve for x
   x = 22,325,860,394.43/162,956.72
6. Step 6: Final answer
   x = 137,004.85