Finding the Fourth Proportional to 21,958,045.72, 30,301,732.98 and 12,168,469.96

Step by Step Solution

1. Step 1: Write the proportion equation
   21,958,045.72 : 30,301,732.98 = 12,168,469.96 : x
2. Step 2: Convert to fraction form
   21,958,045.72/30,301,732.98 = 12,168,469.96/x
3. Step 3: Cross multiply
   21,958,045.72x = 30,301,732.98 × 12,168,469.96
4. Step 4: Simplify right side
   21,958,045.72x = 368,725,727,503,071.31
5. Step 5: Solve for x
   x = 368,725,727,503,071.31/21,958,045.72
6. Step 6: Final answer
   x = 16,792,283.44