Finding the Fourth Proportional to 2,191.31, 3,027.31 and 1,436.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.31 : 3,027.31 = 1,436.88 : x
2. Step 2: Convert to fraction form
   2,191.31/3,027.31 = 1,436.88/x
3. Step 3: Cross multiply
   2,191.31x = 3,027.31 × 1,436.88
4. Step 4: Simplify right side
   2,191.31x = 4,349,888.95
5. Step 5: Solve for x
   x = 4,349,888.95/2,191.31
6. Step 6: Final answer
   x = 1,985.06