Finding the Fourth Proportional to 1,355.48, 1,870.38 and 758.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.48 : 1,870.38 = 758.01 : x
2. Step 2: Convert to fraction form
   1,355.48/1,870.38 = 758.01/x
3. Step 3: Cross multiply
   1,355.48x = 1,870.38 × 758.01
4. Step 4: Simplify right side
   1,355.48x = 1,417,766.74
5. Step 5: Solve for x
   x = 1,417,766.74/1,355.48
6. Step 6: Final answer
   x = 1,045.96