Finding the Fourth Proportional to 13,814.10, 19,063.94 and 7,845.57

Step by Step Solution

1. Step 1: Write the proportion equation
   13,814.10 : 19,063.94 = 7,845.57 : x
2. Step 2: Convert to fraction form
   13,814.10/19,063.94 = 7,845.57/x
3. Step 3: Cross multiply
   13,814.10x = 19,063.94 × 7,845.57
4. Step 4: Simplify right side
   13,814.10x = 149,567,436.52
5. Step 5: Solve for x
   x = 149,567,436.52/13,814.10
6. Step 6: Final answer
   x = 10,827.16