Finding the Fourth Proportional to 300,522.47, 450,798.29 and 247,835.75

Step by Step Solution

1. Step 1: Write the proportion equation
   300,522.47 : 450,798.29 = 247,835.75 : x
2. Step 2: Convert to fraction form
   300,522.47/450,798.29 = 247,835.75/x
3. Step 3: Cross multiply
   300,522.47x = 450,798.29 × 247,835.75
4. Step 4: Simplify right side
   300,522.47x = 111,723,931,061.69
5. Step 5: Solve for x
   x = 111,723,931,061.69/300,522.47
6. Step 6: Final answer
   x = 371,765.65