Finding the Fourth Proportional to 151,976.85, 213,234.15 and 151,976.85

Step by Step Solution

1. Step 1: Write the proportion equation
   151,976.85 : 213,234.15 = 151,976.85 : x
2. Step 2: Convert to fraction form
   151,976.85/213,234.15 = 151,976.85/x
3. Step 3: Cross multiply
   151,976.85x = 213,234.15 × 151,976.85
4. Step 4: Simplify right side
   151,976.85x = 32,406,654,429.43
5. Step 5: Solve for x
   x = 32,406,654,429.43/151,976.85
6. Step 6: Final answer
   x = 213,234.15