Finding the Fourth Proportional to 1,924.89, 2,656.34 and 1,085.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,924.89 : 2,656.34 = 1,085.59 : x
2. Step 2: Convert to fraction form
   1,924.89/2,656.34 = 1,085.59/x
3. Step 3: Cross multiply
   1,924.89x = 2,656.34 × 1,085.59
4. Step 4: Simplify right side
   1,924.89x = 2,883,692.84
5. Step 5: Solve for x
   x = 2,883,692.84/1,924.89
6. Step 6: Final answer
   x = 1,498.11