Finding the Fourth Proportional to 23,145.16, 34,638.72 and 14,707.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,145.16 : 34,638.72 = 14,707.39 : x
2. Step 2: Convert to fraction form
   23,145.16/34,638.72 = 14,707.39/x
3. Step 3: Cross multiply
   23,145.16x = 34,638.72 × 14,707.39
4. Step 4: Simplify right side
   23,145.16x = 509,445,164.14
5. Step 5: Solve for x
   x = 509,445,164.14/23,145.16
6. Step 6: Final answer
   x = 22,010.87