Finding the Fourth Proportional to 307,022.52, 460,496.06 and 82,400.60

Step by Step Solution

1. Step 1: Write the proportion equation
   307,022.52 : 460,496.06 = 82,400.60 : x
2. Step 2: Convert to fraction form
   307,022.52/460,496.06 = 82,400.60/x
3. Step 3: Cross multiply
   307,022.52x = 460,496.06 × 82,400.60
4. Step 4: Simplify right side
   307,022.52x = 37,945,151,641.64
5. Step 5: Solve for x
   x = 37,945,151,641.64/307,022.52
6. Step 6: Final answer
   x = 123,590.78