Finding the Fourth Proportional to 339,822.63, 468,957.06 and 186,870.69

Step by Step Solution

1. Step 1: Write the proportion equation
   339,822.63 : 468,957.06 = 186,870.69 : x
2. Step 2: Convert to fraction form
   339,822.63/468,957.06 = 186,870.69/x
3. Step 3: Cross multiply
   339,822.63x = 468,957.06 × 186,870.69
4. Step 4: Simplify right side
   339,822.63x = 87,634,329,382.57
5. Step 5: Solve for x
   x = 87,634,329,382.57/339,822.63
6. Step 6: Final answer
   x = 257,882.56