Finding the Fourth Proportional to 9,978,341.32, 13,770,112.08 and 5,394,661.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,978,341.32 : 13,770,112.08 = 5,394,661.48 : x
2. Step 2: Convert to fraction form
   9,978,341.32/13,770,112.08 = 5,394,661.48/x
3. Step 3: Cross multiply
   9,978,341.32x = 13,770,112.08 × 5,394,661.48
4. Step 4: Simplify right side
   9,978,341.32x = 74,285,093,213,258.69
5. Step 5: Solve for x
   x = 74,285,093,213,258.69/9,978,341.32
6. Step 6: Final answer
   x = 7,444,633.41