Finding the Fourth Proportional to 2,191.98, 3,024.86 and 1,307.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.98 : 3,024.86 = 1,307.46 : x
2. Step 2: Convert to fraction form
   2,191.98/3,024.86 = 1,307.46/x
3. Step 3: Cross multiply
   2,191.98x = 3,024.86 × 1,307.46
4. Step 4: Simplify right side
   2,191.98x = 3,954,883.46
5. Step 5: Solve for x
   x = 3,954,883.46/2,191.98
6. Step 6: Final answer
   x = 1,804.25