Finding the Fourth Proportional to 1,396.02, 1,925.82 and 836.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396.02 : 1,925.82 = 836.51 : x
2. Step 2: Convert to fraction form
   1,396.02/1,925.82 = 836.51/x
3. Step 3: Cross multiply
   1,396.02x = 1,925.82 × 836.51
4. Step 4: Simplify right side
   1,396.02x = 1,610,967.69
5. Step 5: Solve for x
   x = 1,610,967.69/1,396.02
6. Step 6: Final answer
   x = 1,153.97