Finding the Fourth Proportional to 2,918,014.72, 4,377,018 and 1,621,990.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,918,014.72 : 4,377,018 = 1,621,990.96 : x
2. Step 2: Convert to fraction form
   2,918,014.72/4,377,018 = 1,621,990.96/x
3. Step 3: Cross multiply
   2,918,014.72x = 4,377,018 × 1,621,990.96
4. Step 4: Simplify right side
   2,918,014.72x = 7,099,483,627,757.28
5. Step 5: Solve for x
   x = 7,099,483,627,757.28/2,918,014.72
6. Step 6: Final answer
   x = 2,432,984.17