Finding the Fourth Proportional to 23,030.01, 31,781.04 and 12,958.44

Step by Step Solution

1. Step 1: Write the proportion equation
   23,030.01 : 31,781.04 = 12,958.44 : x
2. Step 2: Convert to fraction form
   23,030.01/31,781.04 = 12,958.44/x
3. Step 3: Cross multiply
   23,030.01x = 31,781.04 × 12,958.44
4. Step 4: Simplify right side
   23,030.01x = 411,832,783.86
5. Step 5: Solve for x
   x = 411,832,783.86/23,030.01
6. Step 6: Final answer
   x = 17,882.44