Finding the Fourth Proportional to 6,407.31, 9,611.89 and 2,023.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,407.31 : 9,611.89 = 2,023.76 : x
2. Step 2: Convert to fraction form
   6,407.31/9,611.89 = 2,023.76/x
3. Step 3: Cross multiply
   6,407.31x = 9,611.89 × 2,023.76
4. Step 4: Simplify right side
   6,407.31x = 19,452,110.45
5. Step 5: Solve for x
   x = 19,452,110.45/6,407.31
6. Step 6: Final answer
   x = 3,035.92