Finding the Fourth Proportional to 9,834.72, 13,558.32 and 7,182.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,834.72 : 13,558.32 = 7,182.24 : x
2. Step 2: Convert to fraction form
   9,834.72/13,558.32 = 7,182.24/x
3. Step 3: Cross multiply
   9,834.72x = 13,558.32 × 7,182.24
4. Step 4: Simplify right side
   9,834.72x = 97,379,108.24
5. Step 5: Solve for x
   x = 97,379,108.24/9,834.72
6. Step 6: Final answer
   x = 9,901.56