Finding the Fourth Proportional to 22,483.21, 31,026.94 and 12,411.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,483.21 : 31,026.94 = 12,411.47 : x
2. Step 2: Convert to fraction form
   22,483.21/31,026.94 = 12,411.47/x
3. Step 3: Cross multiply
   22,483.21x = 31,026.94 × 12,411.47
4. Step 4: Simplify right side
   22,483.21x = 385,089,935.00
5. Step 5: Solve for x
   x = 385,089,935.00/22,483.21
6. Step 6: Final answer
   x = 17,127.89