Finding the Fourth Proportional to 10,113.55, 13,956.77 and 5,637.58

Step by Step Solution

1. Step 1: Write the proportion equation
   10,113.55 : 13,956.77 = 5,637.58 : x
2. Step 2: Convert to fraction form
   10,113.55/13,956.77 = 5,637.58/x
3. Step 3: Cross multiply
   10,113.55x = 13,956.77 × 5,637.58
4. Step 4: Simplify right side
   10,113.55x = 78,682,386.62
5. Step 5: Solve for x
   x = 78,682,386.62/10,113.55
6. Step 6: Final answer
   x = 7,779.90