Finding the Fourth Proportional to 1,507.02, 2,079.72 and 843.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.02 : 2,079.72 = 843.97 : x
2. Step 2: Convert to fraction form
   1,507.02/2,079.72 = 843.97/x
3. Step 3: Cross multiply
   1,507.02x = 2,079.72 × 843.97
4. Step 4: Simplify right side
   1,507.02x = 1,755,221.29
5. Step 5: Solve for x
   x = 1,755,221.29/1,507.02
6. Step 6: Final answer
   x = 1,164.70