Finding the Fourth Proportional to 447,499.38, 671,175.64 and 123,211.83

Step by Step Solution

1. Step 1: Write the proportion equation
   447,499.38 : 671,175.64 = 123,211.83 : x
2. Step 2: Convert to fraction form
   447,499.38/671,175.64 = 123,211.83/x
3. Step 3: Cross multiply
   447,499.38x = 671,175.64 × 123,211.83
4. Step 4: Simplify right side
   447,499.38x = 82,696,778,855.82
5. Step 5: Solve for x
   x = 82,696,778,855.82/447,499.38
6. Step 6: Final answer
   x = 184,797.53