Finding the Fourth Proportional to 23,045.01, 31,802.33 and 12,971.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,045.01 : 31,802.33 = 12,971.50 : x
2. Step 2: Convert to fraction form
   23,045.01/31,802.33 = 12,971.50/x
3. Step 3: Cross multiply
   23,045.01x = 31,802.33 × 12,971.50
4. Step 4: Simplify right side
   23,045.01x = 412,523,876.52
5. Step 5: Solve for x
   x = 412,523,876.52/23,045.01
6. Step 6: Final answer
   x = 17,900.79