Finding the Fourth Proportional to 28,077.10, 42,096.14 and 10,542.22

Step by Step Solution

1. Step 1: Write the proportion equation
   28,077.10 : 42,096.14 = 10,542.22 : x
2. Step 2: Convert to fraction form
   28,077.10/42,096.14 = 10,542.22/x
3. Step 3: Cross multiply
   28,077.10x = 42,096.14 × 10,542.22
4. Step 4: Simplify right side
   28,077.10x = 443,786,795.39
5. Step 5: Solve for x
   x = 443,786,795.39/28,077.10
6. Step 6: Final answer
   x = 15,806.01