Finding the Fourth Proportional to 42,167.77, 63,200.49 and 30,970.62

Step by Step Solution

1. Step 1: Write the proportion equation
   42,167.77 : 63,200.49 = 30,970.62 : x
2. Step 2: Convert to fraction form
   42,167.77/63,200.49 = 30,970.62/x
3. Step 3: Cross multiply
   42,167.77x = 63,200.49 × 30,970.62
4. Step 4: Simplify right side
   42,167.77x = 1,957,358,359.60
5. Step 5: Solve for x
   x = 1,957,358,359.60/42,167.77
6. Step 6: Final answer
   x = 46,418.36