Finding the Fourth Proportional to 343,969.47, 516,016.18 and 141,529.82

Step by Step Solution

1. Step 1: Write the proportion equation
   343,969.47 : 516,016.18 = 141,529.82 : x
2. Step 2: Convert to fraction form
   343,969.47/516,016.18 = 141,529.82/x
3. Step 3: Cross multiply
   343,969.47x = 516,016.18 × 141,529.82
4. Step 4: Simplify right side
   343,969.47x = 73,031,677,072.49
5. Step 5: Solve for x
   x = 73,031,677,072.49/343,969.47
6. Step 6: Final answer
   x = 212,320.23