Finding the Fourth Proportional to 11,743.60, 17,616.01 and 2,978.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,743.60 : 17,616.01 = 2,978.59 : x
2. Step 2: Convert to fraction form
   11,743.60/17,616.01 = 2,978.59/x
3. Step 3: Cross multiply
   11,743.60x = 17,616.01 × 2,978.59
4. Step 4: Simplify right side
   11,743.60x = 52,470,783.15
5. Step 5: Solve for x
   x = 52,470,783.15/11,743.60
6. Step 6: Final answer
   x = 4,468.03