Finding the Fourth Proportional to 12,461.31, 18,719.10 and 7,533.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,461.31 : 18,719.10 = 7,533.27 : x
2. Step 2: Convert to fraction form
   12,461.31/18,719.10 = 7,533.27/x
3. Step 3: Cross multiply
   12,461.31x = 18,719.10 × 7,533.27
4. Step 4: Simplify right side
   12,461.31x = 141,016,034.46
5. Step 5: Solve for x
   x = 141,016,034.46/12,461.31
6. Step 6: Final answer
   x = 11,316.31