Finding the Fourth Proportional to 28,079.29, 42,097.86 and 16,983.71

Step by Step Solution

1. Step 1: Write the proportion equation
   28,079.29 : 42,097.86 = 16,983.71 : x
2. Step 2: Convert to fraction form
   28,079.29/42,097.86 = 16,983.71/x
3. Step 3: Cross multiply
   28,079.29x = 42,097.86 × 16,983.71
4. Step 4: Simplify right side
   28,079.29x = 714,977,635.37
5. Step 5: Solve for x
   x = 714,977,635.37/28,079.29
6. Step 6: Final answer
   x = 25,462.81