Finding the Fourth Proportional to 91,955, 137,127.81 and 91,114.21

Step by Step Solution

1. Step 1: Write the proportion equation
   91,955 : 137,127.81 = 91,114.21 : x
2. Step 2: Convert to fraction form
   91,955/137,127.81 = 91,114.21/x
3. Step 3: Cross multiply
   91,955x = 137,127.81 × 91,114.21
4. Step 4: Simplify right side
   91,955x = 12,494,290,935.97
5. Step 5: Solve for x
   x = 12,494,290,935.97/91,955
6. Step 6: Final answer
   x = 135,873.97