Finding the Fourth Proportional to 1,932.48, 2,669.72 and 1,345.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.48 : 2,669.72 = 1,345.04 : x
2. Step 2: Convert to fraction form
   1,932.48/2,669.72 = 1,345.04/x
3. Step 3: Cross multiply
   1,932.48x = 2,669.72 × 1,345.04
4. Step 4: Simplify right side
   1,932.48x = 3,590,880.19
5. Step 5: Solve for x
   x = 3,590,880.19/1,932.48
6. Step 6: Final answer
   x = 1,858.17