Finding the Fourth Proportional to 42,904.47, 59,173.05 and 30,199.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,904.47 : 59,173.05 = 30,199.71 : x
2. Step 2: Convert to fraction form
   42,904.47/59,173.05 = 30,199.71/x
3. Step 3: Cross multiply
   42,904.47x = 59,173.05 × 30,199.71
4. Step 4: Simplify right side
   42,904.47x = 1,787,008,949.82
5. Step 5: Solve for x
   x = 1,787,008,949.82/42,904.47
6. Step 6: Final answer
   x = 41,650.88