Finding the Fourth Proportional to 12,588.77, 18,881.94 and 3,823.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,588.77 : 18,881.94 = 3,823.76 : x
2. Step 2: Convert to fraction form
   12,588.77/18,881.94 = 3,823.76/x
3. Step 3: Cross multiply
   12,588.77x = 18,881.94 × 3,823.76
4. Step 4: Simplify right side
   12,588.77x = 72,200,006.89
5. Step 5: Solve for x
   x = 72,200,006.89/12,588.77
6. Step 6: Final answer
   x = 5,735.27