Finding the Fourth Proportional to 13,084.74, 18,050.59 and 7,775.80

Step by Step Solution

1. Step 1: Write the proportion equation
   13,084.74 : 18,050.59 = 7,775.80 : x
2. Step 2: Convert to fraction form
   13,084.74/18,050.59 = 7,775.80/x
3. Step 3: Cross multiply
   13,084.74x = 18,050.59 × 7,775.80
4. Step 4: Simplify right side
   13,084.74x = 140,357,713.16
5. Step 5: Solve for x
   x = 140,357,713.16/13,084.74
6. Step 6: Final answer
   x = 10,726.82