Finding the Fourth Proportional to 2,321.17, 3,482.13 and 760.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.17 : 3,482.13 = 760.72 : x
2. Step 2: Convert to fraction form
   2,321.17/3,482.13 = 760.72/x
3. Step 3: Cross multiply
   2,321.17x = 3,482.13 × 760.72
4. Step 4: Simplify right side
   2,321.17x = 2,648,925.93
5. Step 5: Solve for x
   x = 2,648,925.93/2,321.17
6. Step 6: Final answer
   x = 1,141.20