Finding the Fourth Proportional to 12,892.45, 19,343.27 and 7,956.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,892.45 : 19,343.27 = 7,956.34 : x
2. Step 2: Convert to fraction form
   12,892.45/19,343.27 = 7,956.34/x
3. Step 3: Cross multiply
   12,892.45x = 19,343.27 × 7,956.34
4. Step 4: Simplify right side
   12,892.45x = 153,901,632.83
5. Step 5: Solve for x
   x = 153,901,632.83/12,892.45
6. Step 6: Final answer
   x = 11,937.35