Finding the Fourth Proportional to 461,499.86, 636,926.82 and 267,866.12

Step by Step Solution

1. Step 1: Write the proportion equation
   461,499.86 : 636,926.82 = 267,866.12 : x
2. Step 2: Convert to fraction form
   461,499.86/636,926.82 = 267,866.12/x
3. Step 3: Cross multiply
   461,499.86x = 636,926.82 × 267,866.12
4. Step 4: Simplify right side
   461,499.86x = 170,611,115,997.34
5. Step 5: Solve for x
   x = 170,611,115,997.34/461,499.86
6. Step 6: Final answer
   x = 369,688.34