Finding the Fourth Proportional to 188,559.48, 282,771.18 and 55,404.12

Step by Step Solution

1. Step 1: Write the proportion equation
   188,559.48 : 282,771.18 = 55,404.12 : x
2. Step 2: Convert to fraction form
   188,559.48/282,771.18 = 55,404.12/x
3. Step 3: Cross multiply
   188,559.48x = 282,771.18 × 55,404.12
4. Step 4: Simplify right side
   188,559.48x = 15,666,688,389.26
5. Step 5: Solve for x
   x = 15,666,688,389.26/188,559.48
6. Step 6: Final answer
   x = 83,086.19