Finding the Fourth Proportional to 10,970.96, 15,139.89 and 5,935.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,970.96 : 15,139.89 = 5,935.17 : x
2. Step 2: Convert to fraction form
   10,970.96/15,139.89 = 5,935.17/x
3. Step 3: Cross multiply
   10,970.96x = 15,139.89 × 5,935.17
4. Step 4: Simplify right side
   10,970.96x = 89,857,877.71
5. Step 5: Solve for x
   x = 89,857,877.71/10,970.96
6. Step 6: Final answer
   x = 8,190.52