Finding the Fourth Proportional to 300,641.94, 414,686.52 and 193,347.72

Step by Step Solution

1. Step 1: Write the proportion equation
   300,641.94 : 414,686.52 = 193,347.72 : x
2. Step 2: Convert to fraction form
   300,641.94/414,686.52 = 193,347.72/x
3. Step 3: Cross multiply
   300,641.94x = 414,686.52 × 193,347.72
4. Step 4: Simplify right side
   300,641.94x = 80,178,693,156.73
5. Step 5: Solve for x
   x = 80,178,693,156.73/300,641.94
6. Step 6: Final answer
   x = 266,691.64