Finding the Fourth Proportional to 10,172.66, 14,039.69 and 7,349.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,172.66 : 14,039.69 = 7,349.17 : x
2. Step 2: Convert to fraction form
   10,172.66/14,039.69 = 7,349.17/x
3. Step 3: Cross multiply
   10,172.66x = 14,039.69 × 7,349.17
4. Step 4: Simplify right side
   10,172.66x = 103,180,051.83
5. Step 5: Solve for x
   x = 103,180,051.83/10,172.66
6. Step 6: Final answer
   x = 10,142.88