Finding the Fourth Proportional to 103,499.70, 155,235.15 and 33,386.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,499.70 : 155,235.15 = 33,386.10 : x
2. Step 2: Convert to fraction form
   103,499.70/155,235.15 = 33,386.10/x
3. Step 3: Cross multiply
   103,499.70x = 155,235.15 × 33,386.10
4. Step 4: Simplify right side
   103,499.70x = 5,182,696,241.42
5. Step 5: Solve for x
   x = 5,182,696,241.42/103,499.70
6. Step 6: Final answer
   x = 50,074.50