Finding the Fourth Proportional to 10,859.94, 16,298.15 and 7,160.94

Step by Step Solution

1. Step 1: Write the proportion equation
   10,859.94 : 16,298.15 = 7,160.94 : x
2. Step 2: Convert to fraction form
   10,859.94/16,298.15 = 7,160.94/x
3. Step 3: Cross multiply
   10,859.94x = 16,298.15 × 7,160.94
4. Step 4: Simplify right side
   10,859.94x = 116,710,038.46
5. Step 5: Solve for x
   x = 116,710,038.46/10,859.94
6. Step 6: Final answer
   x = 10,746.84