Finding the Fourth Proportional to 1,770.18, 2,445.98 and 1,274.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,770.18 : 2,445.98 = 1,274.46 : x
2. Step 2: Convert to fraction form
   1,770.18/2,445.98 = 1,274.46/x
3. Step 3: Cross multiply
   1,770.18x = 2,445.98 × 1,274.46
4. Step 4: Simplify right side
   1,770.18x = 3,117,303.67
5. Step 5: Solve for x
   x = 3,117,303.67/1,770.18
6. Step 6: Final answer
   x = 1,761.01