Finding the Fourth Proportional to 49,903.90, 74,818.41 and 30,178.42

Step by Step Solution

1. Step 1: Write the proportion equation
   49,903.90 : 74,818.41 = 30,178.42 : x
2. Step 2: Convert to fraction form
   49,903.90/74,818.41 = 30,178.42/x
3. Step 3: Cross multiply
   49,903.90x = 74,818.41 × 30,178.42
4. Step 4: Simplify right side
   49,903.90x = 2,257,901,400.71
5. Step 5: Solve for x
   x = 2,257,901,400.71/49,903.90
6. Step 6: Final answer
   x = 45,244.99