Finding the Fourth Proportional to 12,548.94, 17,312.67 and 8,072.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,548.94 : 17,312.67 = 8,072.10 : x
2. Step 2: Convert to fraction form
   12,548.94/17,312.67 = 8,072.10/x
3. Step 3: Cross multiply
   12,548.94x = 17,312.67 × 8,072.10
4. Step 4: Simplify right side
   12,548.94x = 139,749,603.51
5. Step 5: Solve for x
   x = 139,749,603.51/12,548.94
6. Step 6: Final answer
   x = 11,136.37