Finding the Fourth Proportional to 194,498.37, 268,407.81 and 105,074.37

Step by Step Solution

1. Step 1: Write the proportion equation
   194,498.37 : 268,407.81 = 105,074.37 : x
2. Step 2: Convert to fraction form
   194,498.37/268,407.81 = 105,074.37/x
3. Step 3: Cross multiply
   194,498.37x = 268,407.81 × 105,074.37
4. Step 4: Simplify right side
   194,498.37x = 28,202,781,538.83
5. Step 5: Solve for x
   x = 28,202,781,538.83/194,498.37
6. Step 6: Final answer
   x = 145,002.66