Finding the Fourth Proportional to 267,567.94, 369,213.69 and 154,428.10

Step by Step Solution

1. Step 1: Write the proportion equation
   267,567.94 : 369,213.69 = 154,428.10 : x
2. Step 2: Convert to fraction form
   267,567.94/369,213.69 = 154,428.10/x
3. Step 3: Cross multiply
   267,567.94x = 369,213.69 × 154,428.10
4. Step 4: Simplify right side
   267,567.94x = 57,016,968,640.69
5. Step 5: Solve for x
   x = 57,016,968,640.69/267,567.94
6. Step 6: Final answer
   x = 213,093.42