Finding the Fourth Proportional to 42,601.14, 58,743.43 and 28,998

Step by Step Solution

1. Step 1: Write the proportion equation
   42,601.14 : 58,743.43 = 28,998 : x
2. Step 2: Convert to fraction form
   42,601.14/58,743.43 = 28,998/x
3. Step 3: Cross multiply
   42,601.14x = 58,743.43 × 28,998
4. Step 4: Simplify right side
   42,601.14x = 1,703,441,910.65
5. Step 5: Solve for x
   x = 1,703,441,910.65/42,601.14
6. Step 6: Final answer
   x = 39,985.83