Finding the Fourth Proportional to 22,698.78, 34,037.47 and 8,457.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,698.78 : 34,037.47 = 8,457.62 : x
2. Step 2: Convert to fraction form
   22,698.78/34,037.47 = 8,457.62/x
3. Step 3: Cross multiply
   22,698.78x = 34,037.47 × 8,457.62
4. Step 4: Simplify right side
   22,698.78x = 287,875,779.83
5. Step 5: Solve for x
   x = 287,875,779.83/22,698.78
6. Step 6: Final answer
   x = 12,682.43