Finding the Fourth Proportional to 12,602, 17,390.77 and 7,297.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,602 : 17,390.77 = 7,297.10 : x
2. Step 2: Convert to fraction form
   12,602/17,390.77 = 7,297.10/x
3. Step 3: Cross multiply
   12,602x = 17,390.77 × 7,297.10
4. Step 4: Simplify right side
   12,602x = 126,902,187.77
5. Step 5: Solve for x
   x = 126,902,187.77/12,602
6. Step 6: Final answer
   x = 10,070.00