Finding the Fourth Proportional to 10,817.55, 14,925.87 and 7,040.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,817.55 : 14,925.87 = 7,040.32 : x
2. Step 2: Convert to fraction form
   10,817.55/14,925.87 = 7,040.32/x
3. Step 3: Cross multiply
   10,817.55x = 14,925.87 × 7,040.32
4. Step 4: Simplify right side
   10,817.55x = 105,082,863.76
5. Step 5: Solve for x
   x = 105,082,863.76/10,817.55
6. Step 6: Final answer
   x = 9,714.11