Finding the Fourth Proportional to 55,556.72, 83,353.78 and 17,612.18

Step by Step Solution

1. Step 1: Write the proportion equation
   55,556.72 : 83,353.78 = 17,612.18 : x
2. Step 2: Convert to fraction form
   55,556.72/83,353.78 = 17,612.18/x
3. Step 3: Cross multiply
   55,556.72x = 83,353.78 × 17,612.18
4. Step 4: Simplify right side
   55,556.72x = 1,468,041,777.04
5. Step 5: Solve for x
   x = 1,468,041,777.04/55,556.72
6. Step 6: Final answer
   x = 26,424.20