Finding the Fourth Proportional to 320,810.31, 442,668.71 and 184,817.69

Step by Step Solution

1. Step 1: Write the proportion equation
   320,810.31 : 442,668.71 = 184,817.69 : x
2. Step 2: Convert to fraction form
   320,810.31/442,668.71 = 184,817.69/x
3. Step 3: Cross multiply
   320,810.31x = 442,668.71 × 184,817.69
4. Step 4: Simplify right side
   320,810.31x = 81,813,008,417.48
5. Step 5: Solve for x
   x = 81,813,008,417.48/320,810.31
6. Step 6: Final answer
   x = 255,019.89