Finding the Fourth Proportional to 28,097.93, 42,145.92 and 7,038.15

Step by Step Solution

1. Step 1: Write the proportion equation
   28,097.93 : 42,145.92 = 7,038.15 : x
2. Step 2: Convert to fraction form
   28,097.93/42,145.92 = 7,038.15/x
3. Step 3: Cross multiply
   28,097.93x = 42,145.92 × 7,038.15
4. Step 4: Simplify right side
   28,097.93x = 296,629,478.54
5. Step 5: Solve for x
   x = 296,629,478.54/28,097.93
6. Step 6: Final answer
   x = 10,556.99