Finding the Fourth Proportional to 42,446.52, 58,600.62 and 28,346.04

Step by Step Solution

1. Step 1: Write the proportion equation
   42,446.52 : 58,600.62 = 28,346.04 : x
2. Step 2: Convert to fraction form
   42,446.52/58,600.62 = 28,346.04/x
3. Step 3: Cross multiply
   42,446.52x = 58,600.62 × 28,346.04
4. Step 4: Simplify right side
   42,446.52x = 1,661,095,518.54
5. Step 5: Solve for x
   x = 1,661,095,518.54/42,446.52
6. Step 6: Final answer
   x = 39,133.84