Finding the Fourth Proportional to 216,055.82, 297,935.82 and 143,433.15

Step by Step Solution

1. Step 1: Write the proportion equation
   216,055.82 : 297,935.82 = 143,433.15 : x
2. Step 2: Convert to fraction form
   216,055.82/297,935.82 = 143,433.15/x
3. Step 3: Cross multiply
   216,055.82x = 297,935.82 × 143,433.15
4. Step 4: Simplify right side
   216,055.82x = 42,733,872,043.17
5. Step 5: Solve for x
   x = 42,733,872,043.17/216,055.82
6. Step 6: Final answer
   x = 197,790.88