Finding the Fourth Proportional to 42,661.62, 58,868.37 and 30,064.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,661.62 : 58,868.37 = 30,064.50 : x
2. Step 2: Convert to fraction form
   42,661.62/58,868.37 = 30,064.50/x
3. Step 3: Cross multiply
   42,661.62x = 58,868.37 × 30,064.50
4. Step 4: Simplify right side
   42,661.62x = 1,769,848,109.87
5. Step 5: Solve for x
   x = 1,769,848,109.87/42,661.62
6. Step 6: Final answer
   x = 41,485.72