Finding the Fourth Proportional to 264,059.06, 364,401.68 and 143,200.31

Step by Step Solution

1. Step 1: Write the proportion equation
   264,059.06 : 364,401.68 = 143,200.31 : x
2. Step 2: Convert to fraction form
   264,059.06/364,401.68 = 143,200.31/x
3. Step 3: Cross multiply
   264,059.06x = 364,401.68 × 143,200.31
4. Step 4: Simplify right side
   264,059.06x = 52,182,431,002.51
5. Step 5: Solve for x
   x = 52,182,431,002.51/264,059.06
6. Step 6: Final answer
   x = 197,616.52