Finding the Fourth Proportional to 11,100.48, 16,648.56 and 4,173.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,100.48 : 16,648.56 = 4,173.60 : x
2. Step 2: Convert to fraction form
   11,100.48/16,648.56 = 4,173.60/x
3. Step 3: Cross multiply
   11,100.48x = 16,648.56 × 4,173.60
4. Step 4: Simplify right side
   11,100.48x = 69,484,430.02
5. Step 5: Solve for x
   x = 69,484,430.02/11,100.48
6. Step 6: Final answer
   x = 6,259.59