Finding the Fourth Proportional to 42,503.04, 58,640.76 and 30,393.54

Step by Step Solution

1. Step 1: Write the proportion equation
   42,503.04 : 58,640.76 = 30,393.54 : x
2. Step 2: Convert to fraction form
   42,503.04/58,640.76 = 30,393.54/x
3. Step 3: Cross multiply
   42,503.04x = 58,640.76 × 30,393.54
4. Step 4: Simplify right side
   42,503.04x = 1,782,300,284.69
5. Step 5: Solve for x
   x = 1,782,300,284.69/42,503.04
6. Step 6: Final answer
   x = 41,933.48