Finding the Fourth Proportional to 10,453.04, 15,671.34 and 7,156.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,453.04 : 15,671.34 = 7,156.14 : x
2. Step 2: Convert to fraction form
   10,453.04/15,671.34 = 7,156.14/x
3. Step 3: Cross multiply
   10,453.04x = 15,671.34 × 7,156.14
4. Step 4: Simplify right side
   10,453.04x = 112,146,303.03
5. Step 5: Solve for x
   x = 112,146,303.03/10,453.04
6. Step 6: Final answer
   x = 10,728.58