Finding the Fourth Proportional to 1,699.92, 2,342.28 and 1,368.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,699.92 : 2,342.28 = 1,368.72 : x
2. Step 2: Convert to fraction form
   1,699.92/2,342.28 = 1,368.72/x
3. Step 3: Cross multiply
   1,699.92x = 2,342.28 × 1,368.72
4. Step 4: Simplify right side
   1,699.92x = 3,205,925.48
5. Step 5: Solve for x
   x = 3,205,925.48/1,699.92
6. Step 6: Final answer
   x = 1,885.93