Finding the Fourth Proportional to 9,098.02, 12,554.25 and 5,120.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,098.02 : 12,554.25 = 5,120.50 : x
2. Step 2: Convert to fraction form
   9,098.02/12,554.25 = 5,120.50/x
3. Step 3: Cross multiply
   9,098.02x = 12,554.25 × 5,120.50
4. Step 4: Simplify right side
   9,098.02x = 64,284,037.13
5. Step 5: Solve for x
   x = 64,284,037.13/9,098.02
6. Step 6: Final answer
   x = 7,065.72