Finding the Fourth Proportional to 28,516.07, 42,744.42 and 10,734.53

Step by Step Solution

1. Step 1: Write the proportion equation
   28,516.07 : 42,744.42 = 10,734.53 : x
2. Step 2: Convert to fraction form
   28,516.07/42,744.42 = 10,734.53/x
3. Step 3: Cross multiply
   28,516.07x = 42,744.42 × 10,734.53
4. Step 4: Simplify right side
   28,516.07x = 458,841,045.10
5. Step 5: Solve for x
   x = 458,841,045.10/28,516.07
6. Step 6: Final answer
   x = 16,090.62