Finding the Fourth Proportional to 10,061.56, 15,090.18 and 6,311.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.56 : 15,090.18 = 6,311.53 : x
2. Step 2: Convert to fraction form
   10,061.56/15,090.18 = 6,311.53/x
3. Step 3: Cross multiply
   10,061.56x = 15,090.18 × 6,311.53
4. Step 4: Simplify right side
   10,061.56x = 95,242,154.47
5. Step 5: Solve for x
   x = 95,242,154.47/10,061.56
6. Step 6: Final answer
   x = 9,465.94