Finding the Fourth Proportional to 10,113, 15,172.06 and 2,817

Step by Step Solution

1. Step 1: Write the proportion equation
   10,113 : 15,172.06 = 2,817 : x
2. Step 2: Convert to fraction form
   10,113/15,172.06 = 2,817/x
3. Step 3: Cross multiply
   10,113x = 15,172.06 × 2,817
4. Step 4: Simplify right side
   10,113x = 42,739,693.02
5. Step 5: Solve for x
   x = 42,739,693.02/10,113
6. Step 6: Final answer
   x = 4,226.21