Finding the Fourth Proportional to 339,833.02, 468,852.78 and 210,725

Step by Step Solution

1. Step 1: Write the proportion equation
   339,833.02 : 468,852.78 = 210,725 : x
2. Step 2: Convert to fraction form
   339,833.02/468,852.78 = 210,725/x
3. Step 3: Cross multiply
   339,833.02x = 468,852.78 × 210,725
4. Step 4: Simplify right side
   339,833.02x = 98,799,002,065.50
5. Step 5: Solve for x
   x = 98,799,002,065.50/339,833.02
6. Step 6: Final answer
   x = 290,728.08