Finding the Fourth Proportional to 2,354.76, 3,531.80 and 893.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.76 : 3,531.80 = 893.91 : x
2. Step 2: Convert to fraction form
   2,354.76/3,531.80 = 893.91/x
3. Step 3: Cross multiply
   2,354.76x = 3,531.80 × 893.91
4. Step 4: Simplify right side
   2,354.76x = 3,157,111.34
5. Step 5: Solve for x
   x = 3,157,111.34/2,354.76
6. Step 6: Final answer
   x = 1,340.74