Finding the Fourth Proportional to 447,501.38, 671,178.65 and 123,213.83

Step by Step Solution

1. Step 1: Write the proportion equation
   447,501.38 : 671,178.65 = 123,213.83 : x
2. Step 2: Convert to fraction form
   447,501.38/671,178.65 = 123,213.83/x
3. Step 3: Cross multiply
   447,501.38x = 671,178.65 × 123,213.83
4. Step 4: Simplify right side
   447,501.38x = 82,698,488,108.77
5. Step 5: Solve for x
   x = 82,698,488,108.77/447,501.38
6. Step 6: Final answer
   x = 184,800.52