Finding the Fourth Proportional to 201,978.99, 300,584.30 and 195,251.82

Step by Step Solution

1. Step 1: Write the proportion equation
   201,978.99 : 300,584.30 = 195,251.82 : x
2. Step 2: Convert to fraction form
   201,978.99/300,584.30 = 195,251.82/x
3. Step 3: Cross multiply
   201,978.99x = 300,584.30 × 195,251.82
4. Step 4: Simplify right side
   201,978.99x = 58,689,630,662.17
5. Step 5: Solve for x
   x = 58,689,630,662.17/201,978.99
6. Step 6: Final answer
   x = 290,572.95