Finding the Fourth Proportional to 264,046.89, 364,384.81 and 143,188.15

Step by Step Solution

1. Step 1: Write the proportion equation
   264,046.89 : 364,384.81 = 143,188.15 : x
2. Step 2: Convert to fraction form
   264,046.89/364,384.81 = 143,188.15/x
3. Step 3: Cross multiply
   264,046.89x = 364,384.81 × 143,188.15
4. Step 4: Simplify right side
   264,046.89x = 52,175,586,100.02
5. Step 5: Solve for x
   x = 52,175,586,100.02/264,046.89
6. Step 6: Final answer
   x = 197,599.70