Finding the Fourth Proportional to 164,942.10, 231,385.50 and 164,942.10

Step by Step Solution

1. Step 1: Write the proportion equation
   164,942.10 : 231,385.50 = 164,942.10 : x
2. Step 2: Convert to fraction form
   164,942.10/231,385.50 = 164,942.10/x
3. Step 3: Cross multiply
   164,942.10x = 231,385.50 × 164,942.10
4. Step 4: Simplify right side
   164,942.10x = 38,165,210,279.55
5. Step 5: Solve for x
   x = 38,165,210,279.55/164,942.10
6. Step 6: Final answer
   x = 231,385.50