Finding the Fourth Proportional to 279,443.26, 385,633.50 and 152,118.82

Step by Step Solution

1. Step 1: Write the proportion equation
   279,443.26 : 385,633.50 = 152,118.82 : x
2. Step 2: Convert to fraction form
   279,443.26/385,633.50 = 152,118.82/x
3. Step 3: Cross multiply
   279,443.26x = 385,633.50 × 152,118.82
4. Step 4: Simplify right side
   279,443.26x = 58,662,112,972.47
5. Step 5: Solve for x
   x = 58,662,112,972.47/279,443.26
6. Step 6: Final answer
   x = 209,924.95