Finding the Fourth Proportional to 13,092.45, 19,642.31 and 7,253.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,092.45 : 19,642.31 = 7,253.16 : x
2. Step 2: Convert to fraction form
   13,092.45/19,642.31 = 7,253.16/x
3. Step 3: Cross multiply
   13,092.45x = 19,642.31 × 7,253.16
4. Step 4: Simplify right side
   13,092.45x = 142,468,817.20
5. Step 5: Solve for x
   x = 142,468,817.20/13,092.45
6. Step 6: Final answer
   x = 10,881.75