Finding the Fourth Proportional to 55,892.47, 83,847.05 and 18,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,892.47 : 83,847.05 = 18,456.50 : x
2. Step 2: Convert to fraction form
   55,892.47/83,847.05 = 18,456.50/x
3. Step 3: Cross multiply
   55,892.47x = 83,847.05 × 18,456.50
4. Step 4: Simplify right side
   55,892.47x = 1,547,523,078.33
5. Step 5: Solve for x
   x = 1,547,523,078.33/55,892.47
6. Step 6: Final answer
   x = 27,687.51