Finding the Fourth Proportional to 1,773.16, 2,446.98 and 987.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.16 : 2,446.98 = 987.25 : x
2. Step 2: Convert to fraction form
   1,773.16/2,446.98 = 987.25/x
3. Step 3: Cross multiply
   1,773.16x = 2,446.98 × 987.25
4. Step 4: Simplify right side
   1,773.16x = 2,415,781.01
5. Step 5: Solve for x
   x = 2,415,781.01/1,773.16
6. Step 6: Final answer
   x = 1,362.42