Finding the Fourth Proportional to 11,301.63, 15,572.35 and 8,112.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,301.63 : 15,572.35 = 8,112.25 : x
2. Step 2: Convert to fraction form
   11,301.63/15,572.35 = 8,112.25/x
3. Step 3: Cross multiply
   11,301.63x = 15,572.35 × 8,112.25
4. Step 4: Simplify right side
   11,301.63x = 126,326,825.89
5. Step 5: Solve for x
   x = 126,326,825.89/11,301.63
6. Step 6: Final answer
   x = 11,177.76