Finding the Fourth Proportional to 14,511.42, 21,769.83 and 5,157

Step by Step Solution

1. Step 1: Write the proportion equation
   14,511.42 : 21,769.83 = 5,157 : x
2. Step 2: Convert to fraction form
   14,511.42/21,769.83 = 5,157/x
3. Step 3: Cross multiply
   14,511.42x = 21,769.83 × 5,157
4. Step 4: Simplify right side
   14,511.42x = 112,267,013.31
5. Step 5: Solve for x
   x = 112,267,013.31/14,511.42
6. Step 6: Final answer
   x = 7,736.46