Finding the Fourth Proportional to 279,443.22, 385,634.03 and 152,118.51

Step by Step Solution

1. Step 1: Write the proportion equation
   279,443.22 : 385,634.03 = 152,118.51 : x
2. Step 2: Convert to fraction form
   279,443.22/385,634.03 = 152,118.51/x
3. Step 3: Cross multiply
   279,443.22x = 385,634.03 × 152,118.51
4. Step 4: Simplify right side
   279,443.22x = 58,662,073,288.30
5. Step 5: Solve for x
   x = 58,662,073,288.30/279,443.22
6. Step 6: Final answer
   x = 209,924.84