Finding the Fourth Proportional to 2,012.60, 3,013.74 and 1,191.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.60 : 3,013.74 = 1,191.46 : x
2. Step 2: Convert to fraction form
   2,012.60/3,013.74 = 1,191.46/x
3. Step 3: Cross multiply
   2,012.60x = 3,013.74 × 1,191.46
4. Step 4: Simplify right side
   2,012.60x = 3,590,748.78
5. Step 5: Solve for x
   x = 3,590,748.78/2,012.60
6. Step 6: Final answer
   x = 1,784.14