Finding the Fourth Proportional to 34,131.48, 51,162.08 and 13,066.56

Step by Step Solution

1. Step 1: Write the proportion equation
   34,131.48 : 51,162.08 = 13,066.56 : x
2. Step 2: Convert to fraction form
   34,131.48/51,162.08 = 13,066.56/x
3. Step 3: Cross multiply
   34,131.48x = 51,162.08 × 13,066.56
4. Step 4: Simplify right side
   34,131.48x = 668,512,388.04
5. Step 5: Solve for x
   x = 668,512,388.04/34,131.48
6. Step 6: Final answer
   x = 19,586.39