Finding the Fourth Proportional to 267,878.22, 401,878.71 and 116,100.78

Step by Step Solution

1. Step 1: Write the proportion equation
   267,878.22 : 401,878.71 = 116,100.78 : x
2. Step 2: Convert to fraction form
   267,878.22/401,878.71 = 116,100.78/x
3. Step 3: Cross multiply
   267,878.22x = 401,878.71 × 116,100.78
4. Step 4: Simplify right side
   267,878.22x = 46,658,431,696.39
5. Step 5: Solve for x
   x = 46,658,431,696.39/267,878.22
6. Step 6: Final answer
   x = 174,177.77