Finding the Fourth Proportional to 55,494.47, 83,198.45 and 37,678.16

Step by Step Solution

1. Step 1: Write the proportion equation
   55,494.47 : 83,198.45 = 37,678.16 : x
2. Step 2: Convert to fraction form
   55,494.47/83,198.45 = 37,678.16/x
3. Step 3: Cross multiply
   55,494.47x = 83,198.45 × 37,678.16
4. Step 4: Simplify right side
   55,494.47x = 3,134,764,813.04
5. Step 5: Solve for x
   x = 3,134,764,813.04/55,494.47
6. Step 6: Final answer
   x = 56,487.87