Finding the Fourth Proportional to 3,777.78, 5,664.72 and 1,696

Step by Step Solution

1. Step 1: Write the proportion equation
   3,777.78 : 5,664.72 = 1,696 : x
2. Step 2: Convert to fraction form
   3,777.78/5,664.72 = 1,696/x
3. Step 3: Cross multiply
   3,777.78x = 5,664.72 × 1,696
4. Step 4: Simplify right side
   3,777.78x = 9,607,365.12
5. Step 5: Solve for x
   x = 9,607,365.12/3,777.78
6. Step 6: Final answer
   x = 2,543.12