Finding the Fourth Proportional to 2,650.84, 3,657.31 and 1,531.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.84 : 3,657.31 = 1,531.63 : x
2. Step 2: Convert to fraction form
   2,650.84/3,657.31 = 1,531.63/x
3. Step 3: Cross multiply
   2,650.84x = 3,657.31 × 1,531.63
4. Step 4: Simplify right side
   2,650.84x = 5,601,619.77
5. Step 5: Solve for x
   x = 5,601,619.77/2,650.84
6. Step 6: Final answer
   x = 2,113.15