Finding the Fourth Proportional to 55,784.02, 83,678.72 and 18,343.27

Step by Step Solution

1. Step 1: Write the proportion equation
   55,784.02 : 83,678.72 = 18,343.27 : x
2. Step 2: Convert to fraction form
   55,784.02/83,678.72 = 18,343.27/x
3. Step 3: Cross multiply
   55,784.02x = 83,678.72 × 18,343.27
4. Step 4: Simplify right side
   55,784.02x = 1,534,940,981.68
5. Step 5: Solve for x
   x = 1,534,940,981.68/55,784.02
6. Step 6: Final answer
   x = 27,515.78