Finding the Fourth Proportional to 309,498.71, 464,289.37 and 122,466.47

Step by Step Solution

1. Step 1: Write the proportion equation
   309,498.71 : 464,289.37 = 122,466.47 : x
2. Step 2: Convert to fraction form
   309,498.71/464,289.37 = 122,466.47/x
3. Step 3: Cross multiply
   309,498.71x = 464,289.37 × 122,466.47
4. Step 4: Simplify right side
   309,498.71x = 56,859,877,574.81
5. Step 5: Solve for x
   x = 56,859,877,574.81/309,498.71
6. Step 6: Final answer
   x = 183,716.04