Finding the Fourth Proportional to 54,646.38, 81,936.72 and 37,062.90

Step by Step Solution

1. Step 1: Write the proportion equation
   54,646.38 : 81,936.72 = 37,062.90 : x
2. Step 2: Convert to fraction form
   54,646.38/81,936.72 = 37,062.90/x
3. Step 3: Cross multiply
   54,646.38x = 81,936.72 × 37,062.90
4. Step 4: Simplify right side
   54,646.38x = 3,036,812,459.69
5. Step 5: Solve for x
   x = 3,036,812,459.69/54,646.38
6. Step 6: Final answer
   x = 55,572.07