Finding the Fourth Proportional to 1,770.10, 2,654.10 and 1,038.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.10 : 2,654.10 = 1,038.13 : x
2. Step 2: Convert to fraction form
   1,770.10/2,654.10 = 1,038.13/x
3. Step 3: Cross multiply
   1,770.10x = 2,654.10 × 1,038.13
4. Step 4: Simplify right side
   1,770.10x = 2,755,300.83
5. Step 5: Solve for x
   x = 2,755,300.83/1,770.10
6. Step 6: Final answer
   x = 1,556.58