Finding the Fourth Proportional to 10,086.12, 13,917.35 and 5,609.93

Step by Step Solution

1. Step 1: Write the proportion equation
   10,086.12 : 13,917.35 = 5,609.93 : x
2. Step 2: Convert to fraction form
   10,086.12/13,917.35 = 5,609.93/x
3. Step 3: Cross multiply
   10,086.12x = 13,917.35 × 5,609.93
4. Step 4: Simplify right side
   10,086.12x = 78,075,303.72
5. Step 5: Solve for x
   x = 78,075,303.72/10,086.12
6. Step 6: Final answer
   x = 7,740.87