Finding the Fourth Proportional to 30,846.88, 42,568.50 and 16,699.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,846.88 : 42,568.50 = 16,699.69 : x
2. Step 2: Convert to fraction form
   30,846.88/42,568.50 = 16,699.69/x
3. Step 3: Cross multiply
   30,846.88x = 42,568.50 × 16,699.69
4. Step 4: Simplify right side
   30,846.88x = 710,880,753.77
5. Step 5: Solve for x
   x = 710,880,753.77/30,846.88
6. Step 6: Final answer
   x = 23,045.47