Finding the Fourth Proportional to 1,756.42, 2,423.89 and 970.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,756.42 : 2,423.89 = 970.47 : x
2. Step 2: Convert to fraction form
   1,756.42/2,423.89 = 970.47/x
3. Step 3: Cross multiply
   1,756.42x = 2,423.89 × 970.47
4. Step 4: Simplify right side
   1,756.42x = 2,352,312.53
5. Step 5: Solve for x
   x = 2,352,312.53/1,756.42
6. Step 6: Final answer
   x = 1,339.27