Finding the Fourth Proportional to 42,381.57, 58,495.87 and 33,164.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,381.57 : 58,495.87 = 33,164.88 : x
2. Step 2: Convert to fraction form
   42,381.57/58,495.87 = 33,164.88/x
3. Step 3: Cross multiply
   42,381.57x = 58,495.87 × 33,164.88
4. Step 4: Simplify right side
   42,381.57x = 1,940,008,509.05
5. Step 5: Solve for x
   x = 1,940,008,509.05/42,381.57
6. Step 6: Final answer
   x = 45,774.81