Finding the Fourth Proportional to 42,328.07, 63,436.39 and 23,616.91

Step by Step Solution

1. Step 1: Write the proportion equation
   42,328.07 : 63,436.39 = 23,616.91 : x
2. Step 2: Convert to fraction form
   42,328.07/63,436.39 = 23,616.91/x
3. Step 3: Cross multiply
   42,328.07x = 63,436.39 × 23,616.91
4. Step 4: Simplify right side
   42,328.07x = 1,498,171,295.72
5. Step 5: Solve for x
   x = 1,498,171,295.72/42,328.07
6. Step 6: Final answer
   x = 35,394.28