Finding the Fourth Proportional to 30,847.88, 42,569.88 and 16,700.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,847.88 : 42,569.88 = 16,700.69 : x
2. Step 2: Convert to fraction form
   30,847.88/42,569.88 = 16,700.69/x
3. Step 3: Cross multiply
   30,847.88x = 42,569.88 × 16,700.69
4. Step 4: Simplify right side
   30,847.88x = 710,946,369.22
5. Step 5: Solve for x
   x = 710,946,369.22/30,847.88
6. Step 6: Final answer
   x = 23,046.85