Finding the Fourth Proportional to 14,065.57, 19,410.55 and 7,777.95

Step by Step Solution

1. Step 1: Write the proportion equation
   14,065.57 : 19,410.55 = 7,777.95 : x
2. Step 2: Convert to fraction form
   14,065.57/19,410.55 = 7,777.95/x
3. Step 3: Cross multiply
   14,065.57x = 19,410.55 × 7,777.95
4. Step 4: Simplify right side
   14,065.57x = 150,974,287.37
5. Step 5: Solve for x
   x = 150,974,287.37/14,065.57
6. Step 6: Final answer
   x = 10,733.61