Finding the Fourth Proportional to 122,873.69, 184,354.90 and 42,923.47

Step by Step Solution

1. Step 1: Write the proportion equation
   122,873.69 : 184,354.90 = 42,923.47 : x
2. Step 2: Convert to fraction form
   122,873.69/184,354.90 = 42,923.47/x
3. Step 3: Cross multiply
   122,873.69x = 184,354.90 × 42,923.47
4. Step 4: Simplify right side
   122,873.69x = 7,913,151,097.73
5. Step 5: Solve for x
   x = 7,913,151,097.73/122,873.69
6. Step 6: Final answer
   x = 64,400.70