Finding the Fourth Proportional to 14,061,638, 19,407,131.16 and 8,905,478.96

Step by Step Solution

1. Step 1: Write the proportion equation
   14,061,638 : 19,407,131.16 = 8,905,478.96 : x
2. Step 2: Convert to fraction form
   14,061,638/19,407,131.16 = 8,905,478.96/x
3. Step 3: Cross multiply
   14,061,638x = 19,407,131.16 × 8,905,478.96
4. Step 4: Simplify right side
   14,061,638x = 172,829,798,219,340.41
5. Step 5: Solve for x
   x = 172,829,798,219,340.41/14,061,638
6. Step 6: Final answer
   x = 12,290,872.39