Finding the Fourth Proportional to 49,472,421.57, 68,243,576.91 and 30,855,240.05

Step by Step Solution

1. Step 1: Write the proportion equation
   49,472,421.57 : 68,243,576.91 = 30,855,240.05 : x
2. Step 2: Convert to fraction form
   49,472,421.57/68,243,576.91 = 30,855,240.05/x
3. Step 3: Cross multiply
   49,472,421.57x = 68,243,576.91 × 30,855,240.05
4. Step 4: Simplify right side
   49,472,421.57x = 2,105,671,947,087,469.25
5. Step 5: Solve for x
   x = 2,105,671,947,087,469.25/49,472,421.57
6. Step 6: Final answer
   x = 42,562,540.51