Finding the Fourth Proportional to 28,068.31, 42,080.13 and 16,208.62

Step by Step Solution

1. Step 1: Write the proportion equation
   28,068.31 : 42,080.13 = 16,208.62 : x
2. Step 2: Convert to fraction form
   28,068.31/42,080.13 = 16,208.62/x
3. Step 3: Cross multiply
   28,068.31x = 42,080.13 × 16,208.62
4. Step 4: Simplify right side
   28,068.31x = 682,060,836.72
5. Step 5: Solve for x
   x = 682,060,836.72/28,068.31
6. Step 6: Final answer
   x = 24,300.03