Finding the Fourth Proportional to 10,592.40, 15,888.72 and 3,196.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,592.40 : 15,888.72 = 3,196.98 : x
2. Step 2: Convert to fraction form
   10,592.40/15,888.72 = 3,196.98/x
3. Step 3: Cross multiply
   10,592.40x = 15,888.72 × 3,196.98
4. Step 4: Simplify right side
   10,592.40x = 50,795,920.07
5. Step 5: Solve for x
   x = 50,795,920.07/10,592.40
6. Step 6: Final answer
   x = 4,795.51