Finding the Fourth Proportional to 42,662.62, 58,869.75 and 30,065.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,662.62 : 58,869.75 = 30,065.50 : x
2. Step 2: Convert to fraction form
   42,662.62/58,869.75 = 30,065.50/x
3. Step 3: Cross multiply
   42,662.62x = 58,869.75 × 30,065.50
4. Step 4: Simplify right side
   42,662.62x = 1,769,948,468.63
5. Step 5: Solve for x
   x = 1,769,948,468.63/42,662.62
6. Step 6: Final answer
   x = 41,487.10