Finding the Fourth Proportional to 2,835.72, 4,254.16 and 1,191.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,835.72 : 4,254.16 = 1,191.30 : x
2. Step 2: Convert to fraction form
   2,835.72/4,254.16 = 1,191.30/x
3. Step 3: Cross multiply
   2,835.72x = 4,254.16 × 1,191.30
4. Step 4: Simplify right side
   2,835.72x = 5,067,980.81
5. Step 5: Solve for x
   x = 5,067,980.81/2,835.72
6. Step 6: Final answer
   x = 1,787.19