Finding the Fourth Proportional to 12,762.15, 19,127.61 and 7,203.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.15 : 19,127.61 = 7,203.98 : x
2. Step 2: Convert to fraction form
   12,762.15/19,127.61 = 7,203.98/x
3. Step 3: Cross multiply
   12,762.15x = 19,127.61 × 7,203.98
4. Step 4: Simplify right side
   12,762.15x = 137,794,919.89
5. Step 5: Solve for x
   x = 137,794,919.89/12,762.15
6. Step 6: Final answer
   x = 10,797.16