Finding the Fourth Proportional to 10,061.72, 13,885.77 and 5,813.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,061.72 : 13,885.77 = 5,813.55 : x
2. Step 2: Convert to fraction form
   10,061.72/13,885.77 = 5,813.55/x
3. Step 3: Cross multiply
   10,061.72x = 13,885.77 × 5,813.55
4. Step 4: Simplify right side
   10,061.72x = 80,725,618.18
5. Step 5: Solve for x
   x = 80,725,618.18/10,061.72
6. Step 6: Final answer
   x = 8,023.05