Finding the Fourth Proportional to 352,084,141.89, 485,851,733.82 and 195,438,910.95

Step by Step Solution

1. Step 1: Write the proportion equation
   352,084,141.89 : 485,851,733.82 = 195,438,910.95 : x
2. Step 2: Convert to fraction form
   352,084,141.89/485,851,733.82 = 195,438,910.95/x
3. Step 3: Cross multiply
   352,084,141.89x = 485,851,733.82 × 195,438,910.95
4. Step 4: Simplify right side
   352,084,141.89x = 94,954,333,740,950,080
5. Step 5: Solve for x
   x = 94,954,333,740,950,080/352,084,141.89
6. Step 6: Final answer
   x = 269,692,162.88