Finding the Fourth Proportional to 16,801.83, 23,188.28 and 12,602.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,801.83 : 23,188.28 = 12,602.79 : x
2. Step 2: Convert to fraction form
   16,801.83/23,188.28 = 12,602.79/x
3. Step 3: Cross multiply
   16,801.83x = 23,188.28 × 12,602.79
4. Step 4: Simplify right side
   16,801.83x = 292,236,960.29
5. Step 5: Solve for x
   x = 292,236,960.29/16,801.83
6. Step 6: Final answer
   x = 17,393.16