Finding the Fourth Proportional to 308,014.72, 424,901.10 and 194,903.08

Step by Step Solution

1. Step 1: Write the proportion equation
   308,014.72 : 424,901.10 = 194,903.08 : x
2. Step 2: Convert to fraction form
   308,014.72/424,901.10 = 194,903.08/x
3. Step 3: Cross multiply
   308,014.72x = 424,901.10 × 194,903.08
4. Step 4: Simplify right side
   308,014.72x = 82,814,533,085.39
5. Step 5: Solve for x
   x = 82,814,533,085.39/308,014.72
6. Step 6: Final answer
   x = 268,865.50