Finding the Fourth Proportional to 14,065.10, 19,407.03 and 7,776.26

Step by Step Solution

1. Step 1: Write the proportion equation
   14,065.10 : 19,407.03 = 7,776.26 : x
2. Step 2: Convert to fraction form
   14,065.10/19,407.03 = 7,776.26/x
3. Step 3: Cross multiply
   14,065.10x = 19,407.03 × 7,776.26
4. Step 4: Simplify right side
   14,065.10x = 150,914,111.11
5. Step 5: Solve for x
   x = 150,914,111.11/14,065.10
6. Step 6: Final answer
   x = 10,729.69