Finding the Fourth Proportional to 13,111.53, 18,092.53 and 7,805.62

Step by Step Solution

1. Step 1: Write the proportion equation
   13,111.53 : 18,092.53 = 7,805.62 : x
2. Step 2: Convert to fraction form
   13,111.53/18,092.53 = 7,805.62/x
3. Step 3: Cross multiply
   13,111.53x = 18,092.53 × 7,805.62
4. Step 4: Simplify right side
   13,111.53x = 141,223,414.02
5. Step 5: Solve for x
   x = 141,223,414.02/13,111.53
6. Step 6: Final answer
   x = 10,770.93