Finding the Fourth Proportional to 438,741.39, 658,152.24 and 123,196.17

Step by Step Solution

1. Step 1: Write the proportion equation
   438,741.39 : 658,152.24 = 123,196.17 : x
2. Step 2: Convert to fraction form
   438,741.39/658,152.24 = 123,196.17/x
3. Step 3: Cross multiply
   438,741.39x = 658,152.24 × 123,196.17
4. Step 4: Simplify right side
   438,741.39x = 81,081,835,244.92
5. Step 5: Solve for x
   x = 81,081,835,244.92/438,741.39
6. Step 6: Final answer
   x = 184,805.53