Finding the Fourth Proportional to 12,557.54, 18,838.79 and 3,792.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,557.54 : 18,838.79 = 3,792.98 : x
2. Step 2: Convert to fraction form
   12,557.54/18,838.79 = 3,792.98/x
3. Step 3: Cross multiply
   12,557.54x = 18,838.79 × 3,792.98
4. Step 4: Simplify right side
   12,557.54x = 71,455,196.05
5. Step 5: Solve for x
   x = 71,455,196.05/12,557.54
6. Step 6: Final answer
   x = 5,690.22