Finding the Fourth Proportional to 264,146.64, 364,521.15 and 143,287.98

Step by Step Solution

1. Step 1: Write the proportion equation
   264,146.64 : 364,521.15 = 143,287.98 : x
2. Step 2: Convert to fraction form
   264,146.64/364,521.15 = 143,287.98/x
3. Step 3: Cross multiply
   264,146.64x = 364,521.15 × 143,287.98
4. Step 4: Simplify right side
   264,146.64x = 52,231,499,250.78
5. Step 5: Solve for x
   x = 52,231,499,250.78/264,146.64
6. Step 6: Final answer
   x = 197,736.75