Finding the Fourth Proportional to 12,630.98, 17,431.93 and 7,041.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,630.98 : 17,431.93 = 7,041.86 : x
2. Step 2: Convert to fraction form
   12,630.98/17,431.93 = 7,041.86/x
3. Step 3: Cross multiply
   12,630.98x = 17,431.93 × 7,041.86
4. Step 4: Simplify right side
   12,630.98x = 122,753,210.59
5. Step 5: Solve for x
   x = 122,753,210.59/12,630.98
6. Step 6: Final answer
   x = 9,718.42