Finding the Fourth Proportional to 438,741.89, 658,152.99 and 123,196.67

Step by Step Solution

1. Step 1: Write the proportion equation
   438,741.89 : 658,152.99 = 123,196.67 : x
2. Step 2: Convert to fraction form
   438,741.89/658,152.99 = 123,196.67/x
3. Step 3: Cross multiply
   438,741.89x = 658,152.99 × 123,196.67
4. Step 4: Simplify right side
   438,741.89x = 81,082,256,718.54
5. Step 5: Solve for x
   x = 81,082,256,718.54/438,741.89
6. Step 6: Final answer
   x = 184,806.28