Finding the Fourth Proportional to 16,485.94, 24,702.98 and 12,746.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,485.94 : 24,702.98 = 12,746.86 : x
2. Step 2: Convert to fraction form
   16,485.94/24,702.98 = 12,746.86/x
3. Step 3: Cross multiply
   16,485.94x = 24,702.98 × 12,746.86
4. Step 4: Simplify right side
   16,485.94x = 314,885,288.19
5. Step 5: Solve for x
   x = 314,885,288.19/16,485.94
6. Step 6: Final answer
   x = 19,100.23