Finding the Fourth Proportional to 320,809.31, 442,667.33 and 184,816.69

Step by Step Solution

1. Step 1: Write the proportion equation
   320,809.31 : 442,667.33 = 184,816.69 : x
2. Step 2: Convert to fraction form
   320,809.31/442,667.33 = 184,816.69/x
3. Step 3: Cross multiply
   320,809.31x = 442,667.33 × 184,816.69
4. Step 4: Simplify right side
   320,809.31x = 81,812,309,364.05
5. Step 5: Solve for x
   x = 81,812,309,364.05/320,809.31
6. Step 6: Final answer
   x = 255,018.50