Finding the Fourth Proportional to 10,133.06, 15,171.63 and 5,192.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,133.06 : 15,171.63 = 5,192.18 : x
2. Step 2: Convert to fraction form
   10,133.06/15,171.63 = 5,192.18/x
3. Step 3: Cross multiply
   10,133.06x = 15,171.63 × 5,192.18
4. Step 4: Simplify right side
   10,133.06x = 78,773,833.85
5. Step 5: Solve for x
   x = 78,773,833.85/10,133.06
6. Step 6: Final answer
   x = 7,773.94