Finding the Fourth Proportional to 1,709.76, 2,359.89 and 1,011

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709.76 : 2,359.89 = 1,011 : x
2. Step 2: Convert to fraction form
   1,709.76/2,359.89 = 1,011/x
3. Step 3: Cross multiply
   1,709.76x = 2,359.89 × 1,011
4. Step 4: Simplify right side
   1,709.76x = 2,385,848.79
5. Step 5: Solve for x
   x = 2,385,848.79/1,709.76
6. Step 6: Final answer
   x = 1,395.43