Finding the Fourth Proportional to 12,869,014.67, 19,297,628.73 and 7,683,978.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,869,014.67 : 19,297,628.73 = 7,683,978.03 : x
2. Step 2: Convert to fraction form
   12,869,014.67/19,297,628.73 = 7,683,978.03/x
3. Step 3: Cross multiply
   12,869,014.67x = 19,297,628.73 × 7,683,978.03
4. Step 4: Simplify right side
   12,869,014.67x = 148,282,555,120,050.69
5. Step 5: Solve for x
   x = 148,282,555,120,050.69/12,869,014.67
6. Step 6: Final answer
   x = 11,522,448.21