Finding the Fourth Proportional to 14,150,469.56, 19,521,978.06 and 8,921,758.36

Step by Step Solution

1. Step 1: Write the proportion equation
   14,150,469.56 : 19,521,978.06 = 8,921,758.36 : x
2. Step 2: Convert to fraction form
   14,150,469.56/19,521,978.06 = 8,921,758.36/x
3. Step 3: Cross multiply
   14,150,469.56x = 19,521,978.06 × 8,921,758.36
4. Step 4: Simplify right side
   14,150,469.56x = 174,170,370,960,541.56
5. Step 5: Solve for x
   x = 174,170,370,960,541.56/14,150,469.56
6. Step 6: Final answer
   x = 12,308,451.69