Finding the Fourth Proportional to 408,662,643.48, 613,074,636.24 and 149,880,105.84

Step by Step Solution

1. Step 1: Write the proportion equation
   408,662,643.48 : 613,074,636.24 = 149,880,105.84 : x
2. Step 2: Convert to fraction form
   408,662,643.48/613,074,636.24 = 149,880,105.84/x
3. Step 3: Cross multiply
   408,662,643.48x = 613,074,636.24 × 149,880,105.84
4. Step 4: Simplify right side
   408,662,643.48x = 91,887,691,367,470,704
5. Step 5: Solve for x
   x = 91,887,691,367,470,704/408,662,643.48
6. Step 6: Final answer
   x = 224,849,745.46