Finding the Fourth Proportional to 1,772.00, 2,445.47 and 986.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772.00 : 2,445.47 = 986.04 : x
2. Step 2: Convert to fraction form
   1,772.00/2,445.47 = 986.04/x
3. Step 3: Cross multiply
   1,772.00x = 2,445.47 × 986.04
4. Step 4: Simplify right side
   1,772.00x = 2,411,326.31
5. Step 5: Solve for x
   x = 2,411,326.31/1,772.00
6. Step 6: Final answer
   x = 1,360.80