Finding the Fourth Proportional to 1,695.02, 2,338.60 and 986.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,695.02 : 2,338.60 = 986.72 : x
2. Step 2: Convert to fraction form
   1,695.02/2,338.60 = 986.72/x
3. Step 3: Cross multiply
   1,695.02x = 2,338.60 × 986.72
4. Step 4: Simplify right side
   1,695.02x = 2,307,543.39
5. Step 5: Solve for x
   x = 2,307,543.39/1,695.02
6. Step 6: Final answer
   x = 1,361.37