Finding the Fourth Proportional to 1,830.22, 2,741.89 and 904.70

Step by Step Solution

1. Step 1: Write the proportion equation
   1,830.22 : 2,741.89 = 904.70 : x
2. Step 2: Convert to fraction form
   1,830.22/2,741.89 = 904.70/x
3. Step 3: Cross multiply
   1,830.22x = 2,741.89 × 904.70
4. Step 4: Simplify right side
   1,830.22x = 2,480,587.88
5. Step 5: Solve for x
   x = 2,480,587.88/1,830.22
6. Step 6: Final answer
   x = 1,355.35