Finding the Fourth Proportional to 30,937,399.60, 42,697,322.82 and 18,554,305.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,937,399.60 : 42,697,322.82 = 18,554,305.50 : x
2. Step 2: Convert to fraction form
   30,937,399.60/42,697,322.82 = 18,554,305.50/x
3. Step 3: Cross multiply
   30,937,399.60x = 42,697,322.82 × 18,554,305.50
4. Step 4: Simplify right side
   30,937,399.60x = 792,219,171,634,401.50
5. Step 5: Solve for x
   x = 792,219,171,634,401.50/30,937,399.60
6. Step 6: Final answer
   x = 25,607,167.44