Finding the Fourth Proportional to 22,902.08, 31,606.72 and 12,832.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,902.08 : 31,606.72 = 12,832.77 : x
2. Step 2: Convert to fraction form
   22,902.08/31,606.72 = 12,832.77/x
3. Step 3: Cross multiply
   22,902.08x = 31,606.72 × 12,832.77
4. Step 4: Simplify right side
   22,902.08x = 405,601,768.21
5. Step 5: Solve for x
   x = 405,601,768.21/22,902.08
6. Step 6: Final answer
   x = 17,710.26