Finding the Fourth Proportional to 11,608.81, 16,023.59 and 7,130.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,608.81 : 16,023.59 = 7,130.92 : x
2. Step 2: Convert to fraction form
   11,608.81/16,023.59 = 7,130.92/x
3. Step 3: Cross multiply
   11,608.81x = 16,023.59 × 7,130.92
4. Step 4: Simplify right side
   11,608.81x = 114,262,938.40
5. Step 5: Solve for x
   x = 114,262,938.40/11,608.81
6. Step 6: Final answer
   x = 9,842.78