Finding the Fourth Proportional to 309,586.24, 464,225.46 and 99,196.84

Step by Step Solution

1. Step 1: Write the proportion equation
   309,586.24 : 464,225.46 = 99,196.84 : x
2. Step 2: Convert to fraction form
   309,586.24/464,225.46 = 99,196.84/x
3. Step 3: Cross multiply
   309,586.24x = 464,225.46 × 99,196.84
4. Step 4: Simplify right side
   309,586.24x = 46,049,698,679.55
5. Step 5: Solve for x
   x = 46,049,698,679.55/309,586.24
6. Step 6: Final answer
   x = 148,745.95