Finding the Fourth Proportional to 14,115, 19,478.81 and 7,827.38

Step by Step Solution

1. Step 1: Write the proportion equation
   14,115 : 19,478.81 = 7,827.38 : x
2. Step 2: Convert to fraction form
   14,115/19,478.81 = 7,827.38/x
3. Step 3: Cross multiply
   14,115x = 19,478.81 × 7,827.38
4. Step 4: Simplify right side
   14,115x = 152,468,047.82
5. Step 5: Solve for x
   x = 152,468,047.82/14,115
6. Step 6: Final answer
   x = 10,801.85