Finding the Fourth Proportional to 9,097.73, 12,547.86 and 7,976.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,097.73 : 12,547.86 = 7,976.80 : x
2. Step 2: Convert to fraction form
   9,097.73/12,547.86 = 7,976.80/x
3. Step 3: Cross multiply
   9,097.73x = 12,547.86 × 7,976.80
4. Step 4: Simplify right side
   9,097.73x = 100,091,729.71
5. Step 5: Solve for x
   x = 100,091,729.71/9,097.73
6. Step 6: Final answer
   x = 11,001.83