Finding the Fourth Proportional to 22,087.93, 30,481.65 and 12,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,087.93 : 30,481.65 = 12,656.50 : x
2. Step 2: Convert to fraction form
   22,087.93/30,481.65 = 12,656.50/x
3. Step 3: Cross multiply
   22,087.93x = 30,481.65 × 12,656.50
4. Step 4: Simplify right side
   22,087.93x = 385,791,003.23
5. Step 5: Solve for x
   x = 385,791,003.23/22,087.93
6. Step 6: Final answer
   x = 17,466.15