Finding the Fourth Proportional to 362,141.33, 499,816.89 and 209,152.04

Step by Step Solution

1. Step 1: Write the proportion equation
   362,141.33 : 499,816.89 = 209,152.04 : x
2. Step 2: Convert to fraction form
   362,141.33/499,816.89 = 209,152.04/x
3. Step 3: Cross multiply
   362,141.33x = 499,816.89 × 209,152.04
4. Step 4: Simplify right side
   362,141.33x = 104,537,719,670.87
5. Step 5: Solve for x
   x = 104,537,719,670.87/362,141.33
6. Step 6: Final answer
   x = 288,665.54