Finding the Fourth Proportional to 1,709.12, 2,359.32 and 1,010.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709.12 : 2,359.32 = 1,010.72 : x
2. Step 2: Convert to fraction form
   1,709.12/2,359.32 = 1,010.72/x
3. Step 3: Cross multiply
   1,709.12x = 2,359.32 × 1,010.72
4. Step 4: Simplify right side
   1,709.12x = 2,384,611.91
5. Step 5: Solve for x
   x = 2,384,611.91/1,709.12
6. Step 6: Final answer
   x = 1,395.23