Finding the Fourth Proportional to 20,549,315.69, 30,781,079.94 and 12,325,878.24

Step by Step Solution

1. Step 1: Write the proportion equation
   20,549,315.69 : 30,781,079.94 = 12,325,878.24 : x
2. Step 2: Convert to fraction form
   20,549,315.69/30,781,079.94 = 12,325,878.24/x
3. Step 3: Cross multiply
   20,549,315.69x = 30,781,079.94 × 12,325,878.24
4. Step 4: Simplify right side
   20,549,315.69x = 379,403,843,436,146.50
5. Step 5: Solve for x
   x = 379,403,843,436,146.50/20,549,315.69
6. Step 6: Final answer
   x = 18,463,088.95