Finding the Fourth Proportional to 3,349,100.76, 4,621,880.72 and 1,918,593.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,349,100.76 : 4,621,880.72 = 1,918,593.24 : x
2. Step 2: Convert to fraction form
   3,349,100.76/4,621,880.72 = 1,918,593.24/x
3. Step 3: Cross multiply
   3,349,100.76x = 4,621,880.72 × 1,918,593.24
4. Step 4: Simplify right side
   3,349,100.76x = 8,867,509,105,478.33
5. Step 5: Solve for x
   x = 8,867,509,105,478.33/3,349,100.76
6. Step 6: Final answer
   x = 2,647,728.37