Finding the Fourth Proportional to 493,396.50, 680,889.25 and 267,042

Step by Step Solution

1. Step 1: Write the proportion equation
   493,396.50 : 680,889.25 = 267,042 : x
2. Step 2: Convert to fraction form
   493,396.50/680,889.25 = 267,042/x
3. Step 3: Cross multiply
   493,396.50x = 680,889.25 × 267,042
4. Step 4: Simplify right side
   493,396.50x = 181,826,027,098.50
5. Step 5: Solve for x
   x = 181,826,027,098.50/493,396.50
6. Step 6: Final answer
   x = 368,519.09