Finding the Fourth Proportional to 7,153.31, 9,871.57 and 4,010.51

Step by Step Solution

1. Step 1: Write the proportion equation
   7,153.31 : 9,871.57 = 4,010.51 : x
2. Step 2: Convert to fraction form
   7,153.31/9,871.57 = 4,010.51/x
3. Step 3: Cross multiply
   7,153.31x = 9,871.57 × 4,010.51
4. Step 4: Simplify right side
   7,153.31x = 39,590,059.89
5. Step 5: Solve for x
   x = 39,590,059.89/7,153.31
6. Step 6: Final answer
   x = 5,534.51