Finding the Fourth Proportional to 14,978,373.91, 20,669,953.90 and 8,363,064.27

Step by Step Solution

1. Step 1: Write the proportion equation
   14,978,373.91 : 20,669,953.90 = 8,363,064.27 : x
2. Step 2: Convert to fraction form
   14,978,373.91/20,669,953.90 = 8,363,064.27/x
3. Step 3: Cross multiply
   14,978,373.91x = 20,669,953.90 × 8,363,064.27
4. Step 4: Simplify right side
   14,978,373.91x = 172,864,152,799,379.72
5. Step 5: Solve for x
   x = 172,864,152,799,379.72/14,978,373.91
6. Step 6: Final answer
   x = 11,540,915.84