Finding the Fourth Proportional to 16,445.79, 22,702.59 and 10,485.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,445.79 : 22,702.59 = 10,485.45 : x
2. Step 2: Convert to fraction form
   16,445.79/22,702.59 = 10,485.45/x
3. Step 3: Cross multiply
   16,445.79x = 22,702.59 × 10,485.45
4. Step 4: Simplify right side
   16,445.79x = 238,046,872.32
5. Step 5: Solve for x
   x = 238,046,872.32/16,445.79
6. Step 6: Final answer
   x = 14,474.64