Finding the Fourth Proportional to 463,609.33, 695,513.89 and 143,754.76

Step by Step Solution

1. Step 1: Write the proportion equation
   463,609.33 : 695,513.89 = 143,754.76 : x
2. Step 2: Convert to fraction form
   463,609.33/695,513.89 = 143,754.76/x
3. Step 3: Cross multiply
   463,609.33x = 695,513.89 × 143,754.76
4. Step 4: Simplify right side
   463,609.33x = 99,983,434,071.05
5. Step 5: Solve for x
   x = 99,983,434,071.05/463,609.33
6. Step 6: Final answer
   x = 215,663.12