Finding the Fourth Proportional to 103,600.56, 155,347.28 and 33,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   103,600.56 : 155,347.28 = 33,470.72 : x
2. Step 2: Convert to fraction form
   103,600.56/155,347.28 = 33,470.72/x
3. Step 3: Cross multiply
   103,600.56x = 155,347.28 × 33,470.72
4. Step 4: Simplify right side
   103,600.56x = 5,199,585,311.64
5. Step 5: Solve for x
   x = 5,199,585,311.64/103,600.56
6. Step 6: Final answer
   x = 50,188.78