Finding the Fourth Proportional to 2,769.96, 4,156.56 and 1,038.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,769.96 : 4,156.56 = 1,038.60 : x
2. Step 2: Convert to fraction form
   2,769.96/4,156.56 = 1,038.60/x
3. Step 3: Cross multiply
   2,769.96x = 4,156.56 × 1,038.60
4. Step 4: Simplify right side
   2,769.96x = 4,317,003.22
5. Step 5: Solve for x
   x = 4,317,003.22/2,769.96
6. Step 6: Final answer
   x = 1,558.51