Finding the Fourth Proportional to 5,181,724.33, 7,779,321.89 and 3,984,487.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,181,724.33 : 7,779,321.89 = 3,984,487.40 : x
2. Step 2: Convert to fraction form
   5,181,724.33/7,779,321.89 = 3,984,487.40/x
3. Step 3: Cross multiply
   5,181,724.33x = 7,779,321.89 × 3,984,487.40
4. Step 4: Simplify right side
   5,181,724.33x = 30,996,610,054,510.51
5. Step 5: Solve for x
   x = 30,996,610,054,510.51/5,181,724.33
6. Step 6: Final answer
   x = 5,981,910.28