Finding the Fourth Proportional to 30,845, 42,566.32 and 16,697.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,845 : 42,566.32 = 16,697.88 : x
2. Step 2: Convert to fraction form
   30,845/42,566.32 = 16,697.88/x
3. Step 3: Cross multiply
   30,845x = 42,566.32 × 16,697.88
4. Step 4: Simplify right side
   30,845x = 710,767,303.40
5. Step 5: Solve for x
   x = 710,767,303.40/30,845
6. Step 6: Final answer
   x = 23,043.19