Finding the Fourth Proportional to 12,215,350.67, 18,323,015.58 and 3,117,447.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,215,350.67 : 18,323,015.58 = 3,117,447.53 : x
2. Step 2: Convert to fraction form
   12,215,350.67/18,323,015.58 = 3,117,447.53/x
3. Step 3: Cross multiply
   12,215,350.67x = 18,323,015.58 × 3,117,447.53
4. Step 4: Simplify right side
   12,215,350.67x = 57,121,039,624,008.59
5. Step 5: Solve for x
   x = 57,121,039,624,008.59/12,215,350.67
6. Step 6: Final answer
   x = 4,676,168.63