Finding the Fourth Proportional to 3,978,319.33, 5,491,047.57 and 2,430,884.06

Step by Step Solution

1. Step 1: Write the proportion equation
   3,978,319.33 : 5,491,047.57 = 2,430,884.06 : x
2. Step 2: Convert to fraction form
   3,978,319.33/5,491,047.57 = 2,430,884.06/x
3. Step 3: Cross multiply
   3,978,319.33x = 5,491,047.57 × 2,430,884.06
4. Step 4: Simplify right side
   3,978,319.33x = 13,348,099,998,460.31
5. Step 5: Solve for x
   x = 13,348,099,998,460.31/3,978,319.33
6. Step 6: Final answer
   x = 3,355,210.81