Finding the Fourth Proportional to 5,528,993.34, 8,287,978.73 and 2,645,040.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,528,993.34 : 8,287,978.73 = 2,645,040.18 : x
2. Step 2: Convert to fraction form
   5,528,993.34/8,287,978.73 = 2,645,040.18/x
3. Step 3: Cross multiply
   5,528,993.34x = 8,287,978.73 × 2,645,040.18
4. Step 4: Simplify right side
   5,528,993.34x = 21,922,036,738,610.17
5. Step 5: Solve for x
   x = 21,922,036,738,610.17/5,528,993.34
6. Step 6: Final answer
   x = 3,964,923.70