Finding the Fourth Proportional to 42,658.62, 58,864.23 and 30,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,658.62 : 58,864.23 = 30,061.50 : x
2. Step 2: Convert to fraction form
   42,658.62/58,864.23 = 30,061.50/x
3. Step 3: Cross multiply
   42,658.62x = 58,864.23 × 30,061.50
4. Step 4: Simplify right side
   42,658.62x = 1,769,547,050.15
5. Step 5: Solve for x
   x = 1,769,547,050.15/42,658.62
6. Step 6: Final answer
   x = 41,481.58