Finding the Fourth Proportional to 1,805.82, 2,492.01 and 977.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,805.82 : 2,492.01 = 977.82 : x
2. Step 2: Convert to fraction form
   1,805.82/2,492.01 = 977.82/x
3. Step 3: Cross multiply
   1,805.82x = 2,492.01 × 977.82
4. Step 4: Simplify right side
   1,805.82x = 2,436,737.22
5. Step 5: Solve for x
   x = 2,436,737.22/1,805.82
6. Step 6: Final answer
   x = 1,349.38