Finding the Fourth Proportional to 10,624.10, 15,918.42 and 7,498.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,624.10 : 15,918.42 = 7,498.98 : x
2. Step 2: Convert to fraction form
   10,624.10/15,918.42 = 7,498.98/x
3. Step 3: Cross multiply
   10,624.10x = 15,918.42 × 7,498.98
4. Step 4: Simplify right side
   10,624.10x = 119,371,941.33
5. Step 5: Solve for x
   x = 119,371,941.33/10,624.10
6. Step 6: Final answer
   x = 11,235.96