Finding the Fourth Proportional to 10,216.40, 14,098.91 and 7,192.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,216.40 : 14,098.91 = 7,192.48 : x
2. Step 2: Convert to fraction form
   10,216.40/14,098.91 = 7,192.48/x
3. Step 3: Cross multiply
   10,216.40x = 14,098.91 × 7,192.48
4. Step 4: Simplify right side
   10,216.40x = 101,406,123.88
5. Step 5: Solve for x
   x = 101,406,123.88/10,216.40
6. Step 6: Final answer
   x = 9,925.82