Finding the Fourth Proportional to 10,592.31, 15,888.89 and 3,196.77

Step by Step Solution

1. Step 1: Write the proportion equation
   10,592.31 : 15,888.89 = 3,196.77 : x
2. Step 2: Convert to fraction form
   10,592.31/15,888.89 = 3,196.77/x
3. Step 3: Cross multiply
   10,592.31x = 15,888.89 × 3,196.77
4. Step 4: Simplify right side
   10,592.31x = 50,793,146.69
5. Step 5: Solve for x
   x = 50,793,146.69/10,592.31
6. Step 6: Final answer
   x = 4,795.28