Finding the Fourth Proportional to 1,360.02, 1,876.78 and 770.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.02 : 1,876.78 = 770.52 : x
2. Step 2: Convert to fraction form
   1,360.02/1,876.78 = 770.52/x
3. Step 3: Cross multiply
   1,360.02x = 1,876.78 × 770.52
4. Step 4: Simplify right side
   1,360.02x = 1,446,096.53
5. Step 5: Solve for x
   x = 1,446,096.53/1,360.02
6. Step 6: Final answer
   x = 1,063.29