Finding the Fourth Proportional to 1,360.01, 1,876.59 and 770.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.01 : 1,876.59 = 770.54 : x
2. Step 2: Convert to fraction form
   1,360.01/1,876.59 = 770.54/x
3. Step 3: Cross multiply
   1,360.01x = 1,876.59 × 770.54
4. Step 4: Simplify right side
   1,360.01x = 1,445,978.28
5. Step 5: Solve for x
   x = 1,445,978.28/1,360.01
6. Step 6: Final answer
   x = 1,063.21