Finding the Fourth Proportional to 22,456,345.62, 30,989,942.08 and 12,398,168.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,456,345.62 : 30,989,942.08 = 12,398,168.46 : x
2. Step 2: Convert to fraction form
   22,456,345.62/30,989,942.08 = 12,398,168.46/x
3. Step 3: Cross multiply
   22,456,345.62x = 30,989,942.08 × 12,398,168.46
4. Step 4: Simplify right side
   22,456,345.62x = 384,218,522,473,482.81
5. Step 5: Solve for x
   x = 384,218,522,473,482.81/22,456,345.62
6. Step 6: Final answer
   x = 17,109,574.68