Finding the Fourth Proportional to 12,948.56, 19,426.94 and 9,843.47

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.56 : 19,426.94 = 9,843.47 : x
2. Step 2: Convert to fraction form
   12,948.56/19,426.94 = 9,843.47/x
3. Step 3: Cross multiply
   12,948.56x = 19,426.94 × 9,843.47
4. Step 4: Simplify right side
   12,948.56x = 191,228,573.77
5. Step 5: Solve for x
   x = 191,228,573.77/12,948.56
6. Step 6: Final answer
   x = 14,768.33