Finding the Fourth Proportional to 32,568,081.60, 48,870,784.80 and 12,387,806.40

Step by Step Solution

1. Step 1: Write the proportion equation
   32,568,081.60 : 48,870,784.80 = 12,387,806.40 : x
2. Step 2: Convert to fraction form
   32,568,081.60/48,870,784.80 = 12,387,806.40/x
3. Step 3: Cross multiply
   32,568,081.60x = 48,870,784.80 × 12,387,806.40
4. Step 4: Simplify right side
   32,568,081.60x = 605,401,820,718,462.75
5. Step 5: Solve for x
   x = 605,401,820,718,462.75/32,568,081.60
6. Step 6: Final answer
   x = 18,588,808.15