Finding the Fourth Proportional to 49,258.39, 67,978.01 and 30,137.86

Step by Step Solution

1. Step 1: Write the proportion equation
   49,258.39 : 67,978.01 = 30,137.86 : x
2. Step 2: Convert to fraction form
   49,258.39/67,978.01 = 30,137.86/x
3. Step 3: Cross multiply
   49,258.39x = 67,978.01 × 30,137.86
4. Step 4: Simplify right side
   49,258.39x = 2,048,711,748.46
5. Step 5: Solve for x
   x = 2,048,711,748.46/49,258.39
6. Step 6: Final answer
   x = 41,591.12