Finding the Fourth Proportional to 103,443.91, 155,161.65 and 35,991.39

Step by Step Solution

1. Step 1: Write the proportion equation
   103,443.91 : 155,161.65 = 35,991.39 : x
2. Step 2: Convert to fraction form
   103,443.91/155,161.65 = 35,991.39/x
3. Step 3: Cross multiply
   103,443.91x = 155,161.65 × 35,991.39
4. Step 4: Simplify right side
   103,443.91x = 5,584,483,458.19
5. Step 5: Solve for x
   x = 5,584,483,458.19/103,443.91
6. Step 6: Final answer
   x = 53,985.62