Finding the Fourth Proportional to 13,815.72, 19,065.02 and 7,846.61

Step by Step Solution

1. Step 1: Write the proportion equation
   13,815.72 : 19,065.02 = 7,846.61 : x
2. Step 2: Convert to fraction form
   13,815.72/19,065.02 = 7,846.61/x
3. Step 3: Cross multiply
   13,815.72x = 19,065.02 × 7,846.61
4. Step 4: Simplify right side
   13,815.72x = 149,595,642.02
5. Step 5: Solve for x
   x = 149,595,642.02/13,815.72
6. Step 6: Final answer
   x = 10,827.93