Finding the Fourth Proportional to 28,464.50, 42,701.34 and 10,696.55

Step by Step Solution

1. Step 1: Write the proportion equation
   28,464.50 : 42,701.34 = 10,696.55 : x
2. Step 2: Convert to fraction form
   28,464.50/42,701.34 = 10,696.55/x
3. Step 3: Cross multiply
   28,464.50x = 42,701.34 × 10,696.55
4. Step 4: Simplify right side
   28,464.50x = 456,756,804.87
5. Step 5: Solve for x
   x = 456,756,804.87/28,464.50
6. Step 6: Final answer
   x = 16,046.55