Finding the Fourth Proportional to 1,947.34, 2,920.89 and 793.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.34 : 2,920.89 = 793.06 : x
2. Step 2: Convert to fraction form
   1,947.34/2,920.89 = 793.06/x
3. Step 3: Cross multiply
   1,947.34x = 2,920.89 × 793.06
4. Step 4: Simplify right side
   1,947.34x = 2,316,441.02
5. Step 5: Solve for x
   x = 2,316,441.02/1,947.34
6. Step 6: Final answer
   x = 1,189.54