Finding the Fourth Proportional to 9,098.52, 12,554.94 and 5,121

Step by Step Solution

1. Step 1: Write the proportion equation
   9,098.52 : 12,554.94 = 5,121 : x
2. Step 2: Convert to fraction form
   9,098.52/12,554.94 = 5,121/x
3. Step 3: Cross multiply
   9,098.52x = 12,554.94 × 5,121
4. Step 4: Simplify right side
   9,098.52x = 64,293,847.74
5. Step 5: Solve for x
   x = 64,293,847.74/9,098.52
6. Step 6: Final answer
   x = 7,066.41