Finding the Fourth Proportional to 10,100.56, 15,131.40 and 8,253.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,100.56 : 15,131.40 = 8,253.76 : x
2. Step 2: Convert to fraction form
   10,100.56/15,131.40 = 8,253.76/x
3. Step 3: Cross multiply
   10,100.56x = 15,131.40 × 8,253.76
4. Step 4: Simplify right side
   10,100.56x = 124,890,944.06
5. Step 5: Solve for x
   x = 124,890,944.06/10,100.56
6. Step 6: Final answer
   x = 12,364.75