Finding the Fourth Proportional to 9,340,928.94, 12,888,885.51 and 5,419,786.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,340,928.94 : 12,888,885.51 = 5,419,786.14 : x
2. Step 2: Convert to fraction form
   9,340,928.94/12,888,885.51 = 5,419,786.14/x
3. Step 3: Cross multiply
   9,340,928.94x = 12,888,885.51 × 5,419,786.14
4. Step 4: Simplify right side
   9,340,928.94x = 69,855,003,047,144.83
5. Step 5: Solve for x
   x = 69,855,003,047,144.83/9,340,928.94
6. Step 6: Final answer
   x = 7,478,378.60