Finding the Fourth Proportional to 2,035.30, 3,051.15 and 1,212.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,035.30 : 3,051.15 = 1,212.70 : x
2. Step 2: Convert to fraction form
   2,035.30/3,051.15 = 1,212.70/x
3. Step 3: Cross multiply
   2,035.30x = 3,051.15 × 1,212.70
4. Step 4: Simplify right side
   2,035.30x = 3,700,129.61
5. Step 5: Solve for x
   x = 3,700,129.61/2,035.30
6. Step 6: Final answer
   x = 1,817.98