Finding the Fourth Proportional to 16,854.47, 23,259.00 and 9,300.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,854.47 : 23,259.00 = 9,300.86 : x
2. Step 2: Convert to fraction form
   16,854.47/23,259.00 = 9,300.86/x
3. Step 3: Cross multiply
   16,854.47x = 23,259.00 × 9,300.86
4. Step 4: Simplify right side
   16,854.47x = 216,328,795.77
5. Step 5: Solve for x
   x = 216,328,795.77/16,854.47
6. Step 6: Final answer
   x = 12,835.10