Finding the Fourth Proportional to 13,108.25, 18,089.43 and 7,803.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,108.25 : 18,089.43 = 7,803.02 : x
2. Step 2: Convert to fraction form
   13,108.25/18,089.43 = 7,803.02/x
3. Step 3: Cross multiply
   13,108.25x = 18,089.43 × 7,803.02
4. Step 4: Simplify right side
   13,108.25x = 141,152,200.04
5. Step 5: Solve for x
   x = 141,152,200.04/13,108.25
6. Step 6: Final answer
   x = 10,768.19