Finding the Fourth Proportional to 12,263,444.16, 18,403,039.47 and 8,224,492.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,263,444.16 : 18,403,039.47 = 8,224,492.56 : x
2. Step 2: Convert to fraction form
   12,263,444.16/18,403,039.47 = 8,224,492.56/x
3. Step 3: Cross multiply
   12,263,444.16x = 18,403,039.47 × 8,224,492.56
4. Step 4: Simplify right side
   12,263,444.16x = 151,355,661,202,401.31
5. Step 5: Solve for x
   x = 151,355,661,202,401.31/12,263,444.16
6. Step 6: Final answer
   x = 12,342,019.03