Finding the Fourth Proportional to 9,057.41, 12,499.69 and 5,078.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,057.41 : 12,499.69 = 5,078.29 : x
2. Step 2: Convert to fraction form
   9,057.41/12,499.69 = 5,078.29/x
3. Step 3: Cross multiply
   9,057.41x = 12,499.69 × 5,078.29
4. Step 4: Simplify right side
   9,057.41x = 63,476,988.23
5. Step 5: Solve for x
   x = 63,476,988.23/9,057.41
6. Step 6: Final answer
   x = 7,008.29