Finding the Fourth Proportional to 1,763.69, 2,433.71 and 977.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.69 : 2,433.71 = 977.63 : x
2. Step 2: Convert to fraction form
   1,763.69/2,433.71 = 977.63/x
3. Step 3: Cross multiply
   1,763.69x = 2,433.71 × 977.63
4. Step 4: Simplify right side
   1,763.69x = 2,379,258.18
5. Step 5: Solve for x
   x = 2,379,258.18/1,763.69
6. Step 6: Final answer
   x = 1,349.03