Finding the Fourth Proportional to 394,048.02, 590,802.06 and 141,323.10

Step by Step Solution

1. Step 1: Write the proportion equation
   394,048.02 : 590,802.06 = 141,323.10 : x
2. Step 2: Convert to fraction form
   394,048.02/590,802.06 = 141,323.10/x
3. Step 3: Cross multiply
   394,048.02x = 590,802.06 × 141,323.10
4. Step 4: Simplify right side
   394,048.02x = 83,493,978,605.59
5. Step 5: Solve for x
   x = 83,493,978,605.59/394,048.02
6. Step 6: Final answer
   x = 211,887.83