Finding the Fourth Proportional to 103,665.56, 155,493.30 and 33,543.32

Step by Step Solution

1. Step 1: Write the proportion equation
   103,665.56 : 155,493.30 = 33,543.32 : x
2. Step 2: Convert to fraction form
   103,665.56/155,493.30 = 33,543.32/x
3. Step 3: Cross multiply
   103,665.56x = 155,493.30 × 33,543.32
4. Step 4: Simplify right side
   103,665.56x = 5,215,761,519.76
5. Step 5: Solve for x
   x = 5,215,761,519.76/103,665.56
6. Step 6: Final answer
   x = 50,313.35