Finding the Fourth Proportional to 9,098.58, 12,555.84 and 5,065.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,098.58 : 12,555.84 = 5,065.38 : x
2. Step 2: Convert to fraction form
   9,098.58/12,555.84 = 5,065.38/x
3. Step 3: Cross multiply
   9,098.58x = 12,555.84 × 5,065.38
4. Step 4: Simplify right side
   9,098.58x = 63,600,100.82
5. Step 5: Solve for x
   x = 63,600,100.82/9,098.58
6. Step 6: Final answer
   x = 6,990.11