Finding the Fourth Proportional to 1,169.84, 1,752.72 and 620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,169.84 : 1,752.72 = 620.72 : x
2. Step 2: Convert to fraction form
   1,169.84/1,752.72 = 620.72/x
3. Step 3: Cross multiply
   1,169.84x = 1,752.72 × 620.72
4. Step 4: Simplify right side
   1,169.84x = 1,087,948.36
5. Step 5: Solve for x
   x = 1,087,948.36/1,169.84
6. Step 6: Final answer
   x = 930.00