Finding the Fourth Proportional to 3,607.31, 5,411.18 and 1,010.45

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.31 : 5,411.18 = 1,010.45 : x
2. Step 2: Convert to fraction form
   3,607.31/5,411.18 = 1,010.45/x
3. Step 3: Cross multiply
   3,607.31x = 5,411.18 × 1,010.45
4. Step 4: Simplify right side
   3,607.31x = 5,467,742.89
5. Step 5: Solve for x
   x = 5,467,742.89/3,607.31
6. Step 6: Final answer
   x = 1,515.74