Finding the Fourth Proportional to 13,637,019.60, 18,818,796.96 and 7,441,860.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,637,019.60 : 18,818,796.96 = 7,441,860.96 : x
2. Step 2: Convert to fraction form
   13,637,019.60/18,818,796.96 = 7,441,860.96/x
3. Step 3: Cross multiply
   13,637,019.60x = 18,818,796.96 × 7,441,860.96
4. Step 4: Simplify right side
   13,637,019.60x = 140,046,870,410,790.69
5. Step 5: Solve for x
   x = 140,046,870,410,790.69/13,637,019.60
6. Step 6: Final answer
   x = 10,269,609.82