Finding the Fourth Proportional to 1,758.70, 2,426.89 and 972.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,758.70 : 2,426.89 = 972.69 : x
2. Step 2: Convert to fraction form
   1,758.70/2,426.89 = 972.69/x
3. Step 3: Cross multiply
   1,758.70x = 2,426.89 × 972.69
4. Step 4: Simplify right side
   1,758.70x = 2,360,611.63
5. Step 5: Solve for x
   x = 2,360,611.63/1,758.70
6. Step 6: Final answer
   x = 1,342.25