Finding the Fourth Proportional to 10,641.52, 14,653.58 and 10,405.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,641.52 : 14,653.58 = 10,405.50 : x
2. Step 2: Convert to fraction form
   10,641.52/14,653.58 = 10,405.50/x
3. Step 3: Cross multiply
   10,641.52x = 14,653.58 × 10,405.50
4. Step 4: Simplify right side
   10,641.52x = 152,477,826.69
5. Step 5: Solve for x
   x = 152,477,826.69/10,641.52
6. Step 6: Final answer
   x = 14,328.58