Finding the Fourth Proportional to 2,312.14, 3,189.86 and 1,472.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,312.14 : 3,189.86 = 1,472.69 : x
2. Step 2: Convert to fraction form
   2,312.14/3,189.86 = 1,472.69/x
3. Step 3: Cross multiply
   2,312.14x = 3,189.86 × 1,472.69
4. Step 4: Simplify right side
   2,312.14x = 4,697,675.53
5. Step 5: Solve for x
   x = 4,697,675.53/2,312.14
6. Step 6: Final answer
   x = 2,031.74