Finding the Fourth Proportional to 279,315.97, 385,388.83 and 164,599.31

Step by Step Solution

1. Step 1: Write the proportion equation
   279,315.97 : 385,388.83 = 164,599.31 : x
2. Step 2: Convert to fraction form
   279,315.97/385,388.83 = 164,599.31/x
3. Step 3: Cross multiply
   279,315.97x = 385,388.83 × 164,599.31
4. Step 4: Simplify right side
   279,315.97x = 63,434,735,499.71
5. Step 5: Solve for x
   x = 63,434,735,499.71/279,315.97
6. Step 6: Final answer
   x = 227,107.44