Finding the Fourth Proportional to 339,943.52, 469,089.50 and 186,979.27

Step by Step Solution

1. Step 1: Write the proportion equation
   339,943.52 : 469,089.50 = 186,979.27 : x
2. Step 2: Convert to fraction form
   339,943.52/469,089.50 = 186,979.27/x
3. Step 3: Cross multiply
   339,943.52x = 469,089.50 × 186,979.27
4. Step 4: Simplify right side
   339,943.52x = 87,710,011,046.59
5. Step 5: Solve for x
   x = 87,710,011,046.59/339,943.52
6. Step 6: Final answer
   x = 258,013.48