Finding the Fourth Proportional to 2,348.34, 3,521.70 and 788.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,348.34 : 3,521.70 = 788.10 : x
2. Step 2: Convert to fraction form
   2,348.34/3,521.70 = 788.10/x
3. Step 3: Cross multiply
   2,348.34x = 3,521.70 × 788.10
4. Step 4: Simplify right side
   2,348.34x = 2,775,451.77
5. Step 5: Solve for x
   x = 2,775,451.77/2,348.34
6. Step 6: Final answer
   x = 1,181.88