Finding the Fourth Proportional to 1,739.69, 2,606.05 and 1,045.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,739.69 : 2,606.05 = 1,045.98 : x
2. Step 2: Convert to fraction form
   1,739.69/2,606.05 = 1,045.98/x
3. Step 3: Cross multiply
   1,739.69x = 2,606.05 × 1,045.98
4. Step 4: Simplify right side
   1,739.69x = 2,725,870.17
5. Step 5: Solve for x
   x = 2,725,870.17/1,739.69
6. Step 6: Final answer
   x = 1,566.87