Finding the Fourth Proportional to 279,096.38, 385,185.51 and 156,622.52

Step by Step Solution

1. Step 1: Write the proportion equation
   279,096.38 : 385,185.51 = 156,622.52 : x
2. Step 2: Convert to fraction form
   279,096.38/385,185.51 = 156,622.52/x
3. Step 3: Cross multiply
   279,096.38x = 385,185.51 × 156,622.52
4. Step 4: Simplify right side
   279,096.38x = 60,328,725,243.69
5. Step 5: Solve for x
   x = 60,328,725,243.69/279,096.38
6. Step 6: Final answer
   x = 216,157.32