Finding the Fourth Proportional to 10,858.00, 16,259.43 and 9,098.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,858.00 : 16,259.43 = 9,098.38 : x
2. Step 2: Convert to fraction form
   10,858.00/16,259.43 = 9,098.38/x
3. Step 3: Cross multiply
   10,858.00x = 16,259.43 × 9,098.38
4. Step 4: Simplify right side
   10,858.00x = 147,934,435.71
5. Step 5: Solve for x
   x = 147,934,435.71/10,858.00
6. Step 6: Final answer
   x = 13,624.47