Finding the Fourth Proportional to 5,903.20, 7,856.52 and 5,903.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,903.20 : 7,856.52 = 5,903.20 : x
2. Step 2: Convert to fraction form
   5,903.20/7,856.52 = 5,903.20/x
3. Step 3: Cross multiply
   5,903.20x = 7,856.52 × 5,903.20
4. Step 4: Simplify right side
   5,903.20x = 46,378,608.86
5. Step 5: Solve for x
   x = 46,378,608.86/5,903.20
6. Step 6: Final answer
   x = 7,856.52