Finding the Fourth Proportional to 5,461,411.54, 7,539,581.33 and 3,989,667.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,461,411.54 : 7,539,581.33 = 3,989,667.82 : x
2. Step 2: Convert to fraction form
   5,461,411.54/7,539,581.33 = 3,989,667.82/x
3. Step 3: Cross multiply
   5,461,411.54x = 7,539,581.33 × 3,989,667.82
4. Step 4: Simplify right side
   5,461,411.54x = 30,080,425,008,573.80
5. Step 5: Solve for x
   x = 30,080,425,008,573.80/5,461,411.54
6. Step 6: Final answer
   x = 5,507,811.45