Finding the Fourth Proportional to 12,461.31, 18,684.54 and 5,061.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,461.31 : 18,684.54 = 5,061.96 : x
2. Step 2: Convert to fraction form
   12,461.31/18,684.54 = 5,061.96/x
3. Step 3: Cross multiply
   12,461.31x = 18,684.54 × 5,061.96
4. Step 4: Simplify right side
   12,461.31x = 94,580,394.10
5. Step 5: Solve for x
   x = 94,580,394.10/12,461.31
6. Step 6: Final answer
   x = 7,589.92