Finding the Fourth Proportional to 17,820,662.28, 24,603,621.06 and 12,248,503.39

Step by Step Solution

1. Step 1: Write the proportion equation
   17,820,662.28 : 24,603,621.06 = 12,248,503.39 : x
2. Step 2: Convert to fraction form
   17,820,662.28/24,603,621.06 = 12,248,503.39/x
3. Step 3: Cross multiply
   17,820,662.28x = 24,603,621.06 × 12,248,503.39
4. Step 4: Simplify right side
   17,820,662.28x = 301,357,536,036,371.75
5. Step 5: Solve for x
   x = 301,357,536,036,371.75/17,820,662.28
6. Step 6: Final answer
   x = 16,910,568.83