Finding the Fourth Proportional to 103,680.02, 155,518.17 and 33,559.40

Step by Step Solution

1. Step 1: Write the proportion equation
   103,680.02 : 155,518.17 = 33,559.40 : x
2. Step 2: Convert to fraction form
   103,680.02/155,518.17 = 33,559.40/x
3. Step 3: Cross multiply
   103,680.02x = 155,518.17 × 33,559.40
4. Step 4: Simplify right side
   103,680.02x = 5,219,096,474.30
5. Step 5: Solve for x
   x = 5,219,096,474.30/103,680.02
6. Step 6: Final answer
   x = 50,338.50