Finding the Fourth Proportional to 1,169.69, 1,752.71 and 621.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,169.69 : 1,752.71 = 621.32 : x
2. Step 2: Convert to fraction form
   1,169.69/1,752.71 = 621.32/x
3. Step 3: Cross multiply
   1,169.69x = 1,752.71 × 621.32
4. Step 4: Simplify right side
   1,169.69x = 1,088,981.91
5. Step 5: Solve for x
   x = 1,088,981.91/1,169.69
6. Step 6: Final answer
   x = 931.00