Finding the Fourth Proportional to 1,952.61, 2,924.42 and 1,128.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,952.61 : 2,924.42 = 1,128.84 : x
2. Step 2: Convert to fraction form
   1,952.61/2,924.42 = 1,128.84/x
3. Step 3: Cross multiply
   1,952.61x = 2,924.42 × 1,128.84
4. Step 4: Simplify right side
   1,952.61x = 3,301,196.63
5. Step 5: Solve for x
   x = 3,301,196.63/1,952.61
6. Step 6: Final answer
   x = 1,690.66