Finding the Fourth Proportional to 13,111.67, 19,664.78 and 4,795.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111.67 : 19,664.78 = 4,795.61 : x
2. Step 2: Convert to fraction form
   13,111.67/19,664.78 = 4,795.61/x
3. Step 3: Cross multiply
   13,111.67x = 19,664.78 × 4,795.61
4. Step 4: Simplify right side
   13,111.67x = 94,304,493.31
5. Step 5: Solve for x
   x = 94,304,493.31/13,111.67
6. Step 6: Final answer
   x = 7,192.41