Finding the Fourth Proportional to 2,090.08, 3,133.92 and 790.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.08 : 3,133.92 = 790.72 : x
2. Step 2: Convert to fraction form
   2,090.08/3,133.92 = 790.72/x
3. Step 3: Cross multiply
   2,090.08x = 3,133.92 × 790.72
4. Step 4: Simplify right side
   2,090.08x = 2,478,053.22
5. Step 5: Solve for x
   x = 2,478,053.22/2,090.08
6. Step 6: Final answer
   x = 1,185.63