Finding the Fourth Proportional to 23,003.47, 31,741.23 and 12,930.04

Step by Step Solution

1. Step 1: Write the proportion equation
   23,003.47 : 31,741.23 = 12,930.04 : x
2. Step 2: Convert to fraction form
   23,003.47/31,741.23 = 12,930.04/x
3. Step 3: Cross multiply
   23,003.47x = 31,741.23 × 12,930.04
4. Step 4: Simplify right side
   23,003.47x = 410,415,373.55
5. Step 5: Solve for x
   x = 410,415,373.55/23,003.47
6. Step 6: Final answer
   x = 17,841.45