Finding the Fourth Proportional to 5,105.48, 7,655.34 and 1,772.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.48 : 7,655.34 = 1,772.16 : x
2. Step 2: Convert to fraction form
   5,105.48/7,655.34 = 1,772.16/x
3. Step 3: Cross multiply
   5,105.48x = 7,655.34 × 1,772.16
4. Step 4: Simplify right side
   5,105.48x = 13,566,487.33
5. Step 5: Solve for x
   x = 13,566,487.33/5,105.48
6. Step 6: Final answer
   x = 2,657.24