Finding the Fourth Proportional to 22,461.16, 30,994.68 and 12,389.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,461.16 : 30,994.68 = 12,389.98 : x
2. Step 2: Convert to fraction form
   22,461.16/30,994.68 = 12,389.98/x
3. Step 3: Cross multiply
   22,461.16x = 30,994.68 × 12,389.98
4. Step 4: Simplify right side
   22,461.16x = 384,023,465.31
5. Step 5: Solve for x
   x = 384,023,465.31/22,461.16
6. Step 6: Final answer
   x = 17,097.22