Finding the Fourth Proportional to 1,339.66, 1,848.59 and 1,060.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.66 : 1,848.59 = 1,060.59 : x
2. Step 2: Convert to fraction form
   1,339.66/1,848.59 = 1,060.59/x
3. Step 3: Cross multiply
   1,339.66x = 1,848.59 × 1,060.59
4. Step 4: Simplify right side
   1,339.66x = 1,960,601.67
5. Step 5: Solve for x
   x = 1,960,601.67/1,339.66
6. Step 6: Final answer
   x = 1,463.51