Finding the Fourth Proportional to 10,719.12, 14,774.64 and 7,181.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,719.12 : 14,774.64 = 7,181.04 : x
2. Step 2: Convert to fraction form
   10,719.12/14,774.64 = 7,181.04/x
3. Step 3: Cross multiply
   10,719.12x = 14,774.64 × 7,181.04
4. Step 4: Simplify right side
   10,719.12x = 106,097,280.83
5. Step 5: Solve for x
   x = 106,097,280.83/10,719.12
6. Step 6: Final answer
   x = 9,897.95