Finding the Fourth Proportional to 42,004.51, 63,007.98 and 15,704.23

Step by Step Solution

1. Step 1: Write the proportion equation
   42,004.51 : 63,007.98 = 15,704.23 : x
2. Step 2: Convert to fraction form
   42,004.51/63,007.98 = 15,704.23/x
3. Step 3: Cross multiply
   42,004.51x = 63,007.98 × 15,704.23
4. Step 4: Simplify right side
   42,004.51x = 989,491,809.76
5. Step 5: Solve for x
   x = 989,491,809.76/42,004.51
6. Step 6: Final answer
   x = 23,556.80