Finding the Fourth Proportional to 12,695.71, 19,015.83 and 5,277.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,695.71 : 19,015.83 = 5,277.69 : x
2. Step 2: Convert to fraction form
   12,695.71/19,015.83 = 5,277.69/x
3. Step 3: Cross multiply
   12,695.71x = 19,015.83 × 5,277.69
4. Step 4: Simplify right side
   12,695.71x = 100,359,655.83
5. Step 5: Solve for x
   x = 100,359,655.83/12,695.71
6. Step 6: Final answer
   x = 7,905.01