Finding the Fourth Proportional to 210,565.17, 290,087.33 and 146,789.01

Step by Step Solution

1. Step 1: Write the proportion equation
   210,565.17 : 290,087.33 = 146,789.01 : x
2. Step 2: Convert to fraction form
   210,565.17/290,087.33 = 146,789.01/x
3. Step 3: Cross multiply
   210,565.17x = 290,087.33 × 146,789.01
4. Step 4: Simplify right side
   210,565.17x = 42,581,631,250.30
5. Step 5: Solve for x
   x = 42,581,631,250.30/210,565.17
6. Step 6: Final answer
   x = 202,225.43