Finding the Fourth Proportional to 11,111.19, 16,673.50 and 4,871.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,111.19 : 16,673.50 = 4,871.55 : x
2. Step 2: Convert to fraction form
   11,111.19/16,673.50 = 4,871.55/x
3. Step 3: Cross multiply
   11,111.19x = 16,673.50 × 4,871.55
4. Step 4: Simplify right side
   11,111.19x = 81,225,788.93
5. Step 5: Solve for x
   x = 81,225,788.93/11,111.19
6. Step 6: Final answer
   x = 7,310.27