Finding the Fourth Proportional to 22,900.93, 31,603.98 and 12,829.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,900.93 : 31,603.98 = 12,829.35 : x
2. Step 2: Convert to fraction form
   22,900.93/31,603.98 = 12,829.35/x
3. Step 3: Cross multiply
   22,900.93x = 31,603.98 × 12,829.35
4. Step 4: Simplify right side
   22,900.93x = 405,458,520.81
5. Step 5: Solve for x
   x = 405,458,520.81/22,900.93
6. Step 6: Final answer
   x = 17,704.89