Finding the Fourth Proportional to 54,611.94, 81,937.59 and 19,078.47

Step by Step Solution

1. Step 1: Write the proportion equation
   54,611.94 : 81,937.59 = 19,078.47 : x
2. Step 2: Convert to fraction form
   54,611.94/81,937.59 = 19,078.47/x
3. Step 3: Cross multiply
   54,611.94x = 81,937.59 × 19,078.47
4. Step 4: Simplify right side
   54,611.94x = 1,563,243,852.69
5. Step 5: Solve for x
   x = 1,563,243,852.69/54,611.94
6. Step 6: Final answer
   x = 28,624.58