Finding the Fourth Proportional to 123,096.80, 184,499.40 and 91,895.60

Step by Step Solution

1. Step 1: Write the proportion equation
   123,096.80 : 184,499.40 = 91,895.60 : x
2. Step 2: Convert to fraction form
   123,096.80/184,499.40 = 91,895.60/x
3. Step 3: Cross multiply
   123,096.80x = 184,499.40 × 91,895.60
4. Step 4: Simplify right side
   123,096.80x = 16,954,683,062.64
5. Step 5: Solve for x
   x = 16,954,683,062.64/123,096.80
6. Step 6: Final answer
   x = 137,734.56