Finding the Fourth Proportional to 267,072.48, 368,606.61 and 158,238.10

Step by Step Solution

1. Step 1: Write the proportion equation
   267,072.48 : 368,606.61 = 158,238.10 : x
2. Step 2: Convert to fraction form
   267,072.48/368,606.61 = 158,238.10/x
3. Step 3: Cross multiply
   267,072.48x = 368,606.61 × 158,238.10
4. Step 4: Simplify right side
   267,072.48x = 58,327,607,770.81
5. Step 5: Solve for x
   x = 58,327,607,770.81/267,072.48
6. Step 6: Final answer
   x = 218,396.17