Finding the Fourth Proportional to 10,922,445.41, 15,078,641.75 and 7,978,957.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,922,445.41 : 15,078,641.75 = 7,978,957.33 : x
2. Step 2: Convert to fraction form
   10,922,445.41/15,078,641.75 = 7,978,957.33/x
3. Step 3: Cross multiply
   10,922,445.41x = 15,078,641.75 × 7,978,957.33
4. Step 4: Simplify right side
   10,922,445.41x = 120,311,839,040,015.12
5. Step 5: Solve for x
   x = 120,311,839,040,015.12/10,922,445.41
6. Step 6: Final answer
   x = 11,015,100.97