Finding the Fourth Proportional to 31,359,919.42, 43,272,667.83 and 18,304,183.90

Step by Step Solution

1. Step 1: Write the proportion equation
   31,359,919.42 : 43,272,667.83 = 18,304,183.90 : x
2. Step 2: Convert to fraction form
   31,359,919.42/43,272,667.83 = 18,304,183.90/x
3. Step 3: Cross multiply
   31,359,919.42x = 43,272,667.83 × 18,304,183.90
4. Step 4: Simplify right side
   31,359,919.42x = 792,070,869,803,933.88
5. Step 5: Solve for x
   x = 792,070,869,803,933.88/31,359,919.42
6. Step 6: Final answer
   x = 25,257,426.82