Finding the Fourth Proportional to 2,926.02, 4,388.38 and 845.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,926.02 : 4,388.38 = 845.57 : x
2. Step 2: Convert to fraction form
   2,926.02/4,388.38 = 845.57/x
3. Step 3: Cross multiply
   2,926.02x = 4,388.38 × 845.57
4. Step 4: Simplify right side
   2,926.02x = 3,710,682.48
5. Step 5: Solve for x
   x = 3,710,682.48/2,926.02
6. Step 6: Final answer
   x = 1,268.17