Finding the Fourth Proportional to 1,562.93, 2,158.61 and 1,064.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,562.93 : 2,158.61 = 1,064.70 : x
2. Step 2: Convert to fraction form
   1,562.93/2,158.61 = 1,064.70/x
3. Step 3: Cross multiply
   1,562.93x = 2,158.61 × 1,064.70
4. Step 4: Simplify right side
   1,562.93x = 2,298,266.74
5. Step 5: Solve for x
   x = 2,298,266.74/1,562.93
6. Step 6: Final answer
   x = 1,470.49