Finding the Fourth Proportional to 3,611.52, 5,419.98 and 2,312.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,611.52 : 5,419.98 = 2,312.82 : x
2. Step 2: Convert to fraction form
   3,611.52/5,419.98 = 2,312.82/x
3. Step 3: Cross multiply
   3,611.52x = 5,419.98 × 2,312.82
4. Step 4: Simplify right side
   3,611.52x = 12,535,438.14
5. Step 5: Solve for x
   x = 12,535,438.14/3,611.52
6. Step 6: Final answer
   x = 3,470.96