Finding the Fourth Proportional to 12,746.73, 19,098.53 and 7,806.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,746.73 : 19,098.53 = 7,806.05 : x
2. Step 2: Convert to fraction form
   12,746.73/19,098.53 = 7,806.05/x
3. Step 3: Cross multiply
   12,746.73x = 19,098.53 × 7,806.05
4. Step 4: Simplify right side
   12,746.73x = 149,084,088.82
5. Step 5: Solve for x
   x = 149,084,088.82/12,746.73
6. Step 6: Final answer
   x = 11,695.87