Finding the Fourth Proportional to 103,816.53, 155,746.71 and 33,690.42

Step by Step Solution

1. Step 1: Write the proportion equation
   103,816.53 : 155,746.71 = 33,690.42 : x
2. Step 2: Convert to fraction form
   103,816.53/155,746.71 = 33,690.42/x
3. Step 3: Cross multiply
   103,816.53x = 155,746.71 × 33,690.42
4. Step 4: Simplify right side
   103,816.53x = 5,247,172,073.52
5. Step 5: Solve for x
   x = 5,247,172,073.52/103,816.53
6. Step 6: Final answer
   x = 50,542.74