Finding the Fourth Proportional to 267,002.42, 400,441.33 and 77,411.91

Step by Step Solution

1. Step 1: Write the proportion equation
   267,002.42 : 400,441.33 = 77,411.91 : x
2. Step 2: Convert to fraction form
   267,002.42/400,441.33 = 77,411.91/x
3. Step 3: Cross multiply
   267,002.42x = 400,441.33 × 77,411.91
4. Step 4: Simplify right side
   267,002.42x = 30,998,926,196.03
5. Step 5: Solve for x
   x = 30,998,926,196.03/267,002.42
6. Step 6: Final answer
   x = 116,099.79