Finding the Fourth Proportional to 9,875.05, 13,624.41 and 7,042.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,875.05 : 13,624.41 = 7,042.89 : x
2. Step 2: Convert to fraction form
   9,875.05/13,624.41 = 7,042.89/x
3. Step 3: Cross multiply
   9,875.05x = 13,624.41 × 7,042.89
4. Step 4: Simplify right side
   9,875.05x = 95,955,220.94
5. Step 5: Solve for x
   x = 95,955,220.94/9,875.05
6. Step 6: Final answer
   x = 9,716.94