Finding the Fourth Proportional to 9,005.04, 12,424.23 and 7,116.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.04 : 12,424.23 = 7,116.93 : x
2. Step 2: Convert to fraction form
   9,005.04/12,424.23 = 7,116.93/x
3. Step 3: Cross multiply
   9,005.04x = 12,424.23 × 7,116.93
4. Step 4: Simplify right side
   9,005.04x = 88,422,375.21
5. Step 5: Solve for x
   x = 88,422,375.21/9,005.04
6. Step 6: Final answer
   x = 9,819.21