Finding the Fourth Proportional to 210,568.18, 290,091.46 and 146,792.02

Step by Step Solution

1. Step 1: Write the proportion equation
   210,568.18 : 290,091.46 = 146,792.02 : x
2. Step 2: Convert to fraction form
   210,568.18/290,091.46 = 146,792.02/x
3. Step 3: Cross multiply
   210,568.18x = 290,091.46 × 146,792.02
4. Step 4: Simplify right side
   210,568.18x = 42,583,111,398.15
5. Step 5: Solve for x
   x = 42,583,111,398.15/210,568.18
6. Step 6: Final answer
   x = 202,229.56