Finding the Fourth Proportional to 49,070,142.72, 67,728,336.48 and 30,499,308

Step by Step Solution

1. Step 1: Write the proportion equation
   49,070,142.72 : 67,728,336.48 = 30,499,308 : x
2. Step 2: Convert to fraction form
   49,070,142.72/67,728,336.48 = 30,499,308/x
3. Step 3: Cross multiply
   49,070,142.72x = 67,728,336.48 × 30,499,308
4. Step 4: Simplify right side
   49,070,142.72x = 2,065,667,394,631,156
5. Step 5: Solve for x
   x = 2,065,667,394,631,156/49,070,142.72
6. Step 6: Final answer
   x = 42,096,217.38