Finding the Fourth Proportional to 42,379.57, 58,493.11 and 33,162.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,379.57 : 58,493.11 = 33,162.88 : x
2. Step 2: Convert to fraction form
   42,379.57/58,493.11 = 33,162.88/x
3. Step 3: Cross multiply
   42,379.57x = 58,493.11 × 33,162.88
4. Step 4: Simplify right side
   42,379.57x = 1,939,799,700.32
5. Step 5: Solve for x
   x = 1,939,799,700.32/42,379.57
6. Step 6: Final answer
   x = 45,772.04