Finding the Fourth Proportional to 12,594.72, 18,881.12 and 5,194.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,594.72 : 18,881.12 = 5,194.56 : x
2. Step 2: Convert to fraction form
   12,594.72/18,881.12 = 5,194.56/x
3. Step 3: Cross multiply
   12,594.72x = 18,881.12 × 5,194.56
4. Step 4: Simplify right side
   12,594.72x = 98,079,110.71
5. Step 5: Solve for x
   x = 98,079,110.71/12,594.72
6. Step 6: Final answer
   x = 7,787.32