Finding the Fourth Proportional to 302,100.65, 453,150.96 and 143,849.33

Step by Step Solution

1. Step 1: Write the proportion equation
   302,100.65 : 453,150.96 = 143,849.33 : x
2. Step 2: Convert to fraction form
   302,100.65/453,150.96 = 143,849.33/x
3. Step 3: Cross multiply
   302,100.65x = 453,150.96 × 143,849.33
4. Step 4: Simplify right side
   302,100.65x = 65,185,459,719.10
5. Step 5: Solve for x
   x = 65,185,459,719.10/302,100.65
6. Step 6: Final answer
   x = 215,773.98