Finding the Fourth Proportional to 91,955.13, 137,127.99 and 91,114.32

Step by Step Solution

1. Step 1: Write the proportion equation
   91,955.13 : 137,127.99 = 91,114.32 : x
2. Step 2: Convert to fraction form
   91,955.13/137,127.99 = 91,114.32/x
3. Step 3: Cross multiply
   91,955.13x = 137,127.99 × 91,114.32
4. Step 4: Simplify right side
   91,955.13x = 12,494,323,561.82
5. Step 5: Solve for x
   x = 12,494,323,561.82/91,955.13
6. Step 6: Final answer
   x = 135,874.13