Finding the Fourth Proportional to 10,093.12, 13,928.72 and 5,903.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,093.12 : 13,928.72 = 5,903.80 : x
2. Step 2: Convert to fraction form
   10,093.12/13,928.72 = 5,903.80/x
3. Step 3: Cross multiply
   10,093.12x = 13,928.72 × 5,903.80
4. Step 4: Simplify right side
   10,093.12x = 82,232,377.14
5. Step 5: Solve for x
   x = 82,232,377.14/10,093.12
6. Step 6: Final answer
   x = 8,147.37