Finding the Fourth Proportional to 13,792.84, 19,053.32 and 13,280.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,792.84 : 19,053.32 = 13,280.76 : x
2. Step 2: Convert to fraction form
   13,792.84/19,053.32 = 13,280.76/x
3. Step 3: Cross multiply
   13,792.84x = 19,053.32 × 13,280.76
4. Step 4: Simplify right side
   13,792.84x = 253,042,503.72
5. Step 5: Solve for x
   x = 253,042,503.72/13,792.84
6. Step 6: Final answer
   x = 18,345.94