Finding the Fourth Proportional to 279,141.72, 385,216.74 and 165,962.04

Step by Step Solution

1. Step 1: Write the proportion equation
   279,141.72 : 385,216.74 = 165,962.04 : x
2. Step 2: Convert to fraction form
   279,141.72/385,216.74 = 165,962.04/x
3. Step 3: Cross multiply
   279,141.72x = 385,216.74 × 165,962.04
4. Step 4: Simplify right side
   279,141.72x = 63,931,356,012.55
5. Step 5: Solve for x
   x = 63,931,356,012.55/279,141.72
6. Step 6: Final answer
   x = 229,028.31