Finding the Fourth Proportional to 16,419.63, 22,659.33 and 9,612.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,419.63 : 22,659.33 = 9,612.08 : x
2. Step 2: Convert to fraction form
   16,419.63/22,659.33 = 9,612.08/x
3. Step 3: Cross multiply
   16,419.63x = 22,659.33 × 9,612.08
4. Step 4: Simplify right side
   16,419.63x = 217,803,373.82
5. Step 5: Solve for x
   x = 217,803,373.82/16,419.63
6. Step 6: Final answer
   x = 13,264.82