Finding the Fourth Proportional to 1,358.95, 1,875.41 and 769.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.95 : 1,875.41 = 769.47 : x
2. Step 2: Convert to fraction form
   1,358.95/1,875.41 = 769.47/x
3. Step 3: Cross multiply
   1,358.95x = 1,875.41 × 769.47
4. Step 4: Simplify right side
   1,358.95x = 1,443,071.73
5. Step 5: Solve for x
   x = 1,443,071.73/1,358.95
6. Step 6: Final answer
   x = 1,061.90