Finding the Fourth Proportional to 352,061.29, 485,844.71 and 190,916.30

Step by Step Solution

1. Step 1: Write the proportion equation
   352,061.29 : 485,844.71 = 190,916.30 : x
2. Step 2: Convert to fraction form
   352,061.29/485,844.71 = 190,916.30/x
3. Step 3: Cross multiply
   352,061.29x = 485,844.71 × 190,916.30
4. Step 4: Simplify right side
   352,061.29x = 92,755,671,023.97
5. Step 5: Solve for x
   x = 92,755,671,023.97/352,061.29
6. Step 6: Final answer
   x = 263,464.56