Finding the Fourth Proportional to 103,662.16, 155,398.20 and 37,086.64

Step by Step Solution

1. Step 1: Write the proportion equation
   103,662.16 : 155,398.20 = 37,086.64 : x
2. Step 2: Convert to fraction form
   103,662.16/155,398.20 = 37,086.64/x
3. Step 3: Cross multiply
   103,662.16x = 155,398.20 × 37,086.64
4. Step 4: Simplify right side
   103,662.16x = 5,763,197,100.05
5. Step 5: Solve for x
   x = 5,763,197,100.05/103,662.16
6. Step 6: Final answer
   x = 55,595.96