Finding the Fourth Proportional to 1,763.83, 2,434.02 and 977.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.83 : 2,434.02 = 977.89 : x
2. Step 2: Convert to fraction form
   1,763.83/2,434.02 = 977.89/x
3. Step 3: Cross multiply
   1,763.83x = 2,434.02 × 977.89
4. Step 4: Simplify right side
   1,763.83x = 2,380,203.82
5. Step 5: Solve for x
   x = 2,380,203.82/1,763.83
6. Step 6: Final answer
   x = 1,349.45