Finding the Fourth Proportional to 10,938.76, 15,095.40 and 5,970.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.76 : 15,095.40 = 5,970.76 : x
2. Step 2: Convert to fraction form
   10,938.76/15,095.40 = 5,970.76/x
3. Step 3: Cross multiply
   10,938.76x = 15,095.40 × 5,970.76
4. Step 4: Simplify right side
   10,938.76x = 90,131,010.50
5. Step 5: Solve for x
   x = 90,131,010.50/10,938.76
6. Step 6: Final answer
   x = 8,239.60