Finding the Fourth Proportional to 12,903.15, 19,357.37 and 7,359.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,903.15 : 19,357.37 = 7,359.15 : x
2. Step 2: Convert to fraction form
   12,903.15/19,357.37 = 7,359.15/x
3. Step 3: Cross multiply
   12,903.15x = 19,357.37 × 7,359.15
4. Step 4: Simplify right side
   12,903.15x = 142,453,752.64
5. Step 5: Solve for x
   x = 142,453,752.64/12,903.15
6. Step 6: Final answer
   x = 11,040.23