Finding the Fourth Proportional to 10,970.93, 15,139.82 and 5,935.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,970.93 : 15,139.82 = 5,935.12 : x
2. Step 2: Convert to fraction form
   10,970.93/15,139.82 = 5,935.12/x
3. Step 3: Cross multiply
   10,970.93x = 15,139.82 × 5,935.12
4. Step 4: Simplify right side
   10,970.93x = 89,856,625.47
5. Step 5: Solve for x
   x = 89,856,625.47/10,970.93
6. Step 6: Final answer
   x = 8,190.43