Finding the Fourth Proportional to 22,404.08, 30,921.72 and 12,973.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,404.08 : 30,921.72 = 12,973.52 : x
2. Step 2: Convert to fraction form
   22,404.08/30,921.72 = 12,973.52/x
3. Step 3: Cross multiply
   22,404.08x = 30,921.72 × 12,973.52
4. Step 4: Simplify right side
   22,404.08x = 401,163,552.85
5. Step 5: Solve for x
   x = 401,163,552.85/22,404.08
6. Step 6: Final answer
   x = 17,905.83