Finding the Fourth Proportional to 2,471.31, 3,409.52 and 1,526.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,471.31 : 3,409.52 = 1,526.80 : x
2. Step 2: Convert to fraction form
   2,471.31/3,409.52 = 1,526.80/x
3. Step 3: Cross multiply
   2,471.31x = 3,409.52 × 1,526.80
4. Step 4: Simplify right side
   2,471.31x = 5,205,649.67
5. Step 5: Solve for x
   x = 5,205,649.67/2,471.31
6. Step 6: Final answer
   x = 2,106.43