Finding the Fourth Proportional to 1,339.78, 1,848.42 and 1,060.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,339.78 : 1,848.42 = 1,060.06 : x
2. Step 2: Convert to fraction form
   1,339.78/1,848.42 = 1,060.06/x
3. Step 3: Cross multiply
   1,339.78x = 1,848.42 × 1,060.06
4. Step 4: Simplify right side
   1,339.78x = 1,959,436.11
5. Step 5: Solve for x
   x = 1,959,436.11/1,339.78
6. Step 6: Final answer
   x = 1,462.51