Finding the Fourth Proportional to 1,376.52, 2,065.76 and 760.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.52 : 2,065.76 = 760.06 : x
2. Step 2: Convert to fraction form
   1,376.52/2,065.76 = 760.06/x
3. Step 3: Cross multiply
   1,376.52x = 2,065.76 × 760.06
4. Step 4: Simplify right side
   1,376.52x = 1,570,101.55
5. Step 5: Solve for x
   x = 1,570,101.55/1,376.52
6. Step 6: Final answer
   x = 1,140.63