Finding the Fourth Proportional to 21,947,050.77, 30,286,524.83 and 12,157,280.15

Step by Step Solution

1. Step 1: Write the proportion equation
   21,947,050.77 : 30,286,524.83 = 12,157,280.15 : x
2. Step 2: Convert to fraction form
   21,947,050.77/30,286,524.83 = 12,157,280.15/x
3. Step 3: Cross multiply
   21,947,050.77x = 30,286,524.83 × 12,157,280.15
4. Step 4: Simplify right side
   21,947,050.77x = 368,201,767,234,350.62
5. Step 5: Solve for x
   x = 368,201,767,234,350.62/21,947,050.77
6. Step 6: Final answer
   x = 16,776,822.14