Finding the Fourth Proportional to 42,394.88, 63,587.52 and 10,804.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,394.88 : 63,587.52 = 10,804.80 : x
2. Step 2: Convert to fraction form
   42,394.88/63,587.52 = 10,804.80/x
3. Step 3: Cross multiply
   42,394.88x = 63,587.52 × 10,804.80
4. Step 4: Simplify right side
   42,394.88x = 687,050,436.10
5. Step 5: Solve for x
   x = 687,050,436.10/42,394.88
6. Step 6: Final answer
   x = 16,205.98