Finding the Fourth Proportional to 42,663.62, 58,871.13 and 30,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,663.62 : 58,871.13 = 30,066.50 : x
2. Step 2: Convert to fraction form
   42,663.62/58,871.13 = 30,066.50/x
3. Step 3: Cross multiply
   42,663.62x = 58,871.13 × 30,066.50
4. Step 4: Simplify right side
   42,663.62x = 1,770,048,830.15
5. Step 5: Solve for x
   x = 1,770,048,830.15/42,663.62
6. Step 6: Final answer
   x = 41,488.48