Finding the Fourth Proportional to 91,954.88, 137,127.62 and 91,114.08

Step by Step Solution

1. Step 1: Write the proportion equation
   91,954.88 : 137,127.62 = 91,114.08 : x
2. Step 2: Convert to fraction form
   91,954.88/137,127.62 = 91,114.08/x
3. Step 3: Cross multiply
   91,954.88x = 137,127.62 × 91,114.08
4. Step 4: Simplify right side
   91,954.88x = 12,494,256,483.32
5. Step 5: Solve for x
   x = 12,494,256,483.32/91,954.88
6. Step 6: Final answer
   x = 135,873.78