Finding the Fourth Proportional to 28,466.43, 42,677.70 and 10,696.71

Step by Step Solution

1. Step 1: Write the proportion equation
   28,466.43 : 42,677.70 = 10,696.71 : x
2. Step 2: Convert to fraction form
   28,466.43/42,677.70 = 10,696.71/x
3. Step 3: Cross multiply
   28,466.43x = 42,677.70 × 10,696.71
4. Step 4: Simplify right side
   28,466.43x = 456,510,980.37
5. Step 5: Solve for x
   x = 456,510,980.37/28,466.43
6. Step 6: Final answer
   x = 16,036.82