Finding the Fourth Proportional to 279,072.27, 385,117.67 and 151,747.83

Step by Step Solution

1. Step 1: Write the proportion equation
   279,072.27 : 385,117.67 = 151,747.83 : x
2. Step 2: Convert to fraction form
   279,072.27/385,117.67 = 151,747.83/x
3. Step 3: Cross multiply
   279,072.27x = 385,117.67 × 151,747.83
4. Step 4: Simplify right side
   279,072.27x = 58,440,771,096.53
5. Step 5: Solve for x
   x = 58,440,771,096.53/279,072.27
6. Step 6: Final answer
   x = 209,410.89