Finding the Fourth Proportional to 12,602.98, 17,391.08 and 7,298.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,602.98 : 17,391.08 = 7,298.12 : x
2. Step 2: Convert to fraction form
   12,602.98/17,391.08 = 7,298.12/x
3. Step 3: Cross multiply
   12,602.98x = 17,391.08 × 7,298.12
4. Step 4: Simplify right side
   12,602.98x = 126,922,188.77
5. Step 5: Solve for x
   x = 126,922,188.77/12,602.98
6. Step 6: Final answer
   x = 10,070.81