Finding the Fourth Proportional to 11,577.31, 15,976.99 and 7,098.48

Step by Step Solution

1. Step 1: Write the proportion equation
   11,577.31 : 15,976.99 = 7,098.48 : x
2. Step 2: Convert to fraction form
   11,577.31/15,976.99 = 7,098.48/x
3. Step 3: Cross multiply
   11,577.31x = 15,976.99 × 7,098.48
4. Step 4: Simplify right side
   11,577.31x = 113,412,412.76
5. Step 5: Solve for x
   x = 113,412,412.76/11,577.31
6. Step 6: Final answer
   x = 9,796.09