Finding the Fourth Proportional to 96,706.04, 144,777.28 and 71,856.24

Step by Step Solution

1. Step 1: Write the proportion equation
   96,706.04 : 144,777.28 = 71,856.24 : x
2. Step 2: Convert to fraction form
   96,706.04/144,777.28 = 71,856.24/x
3. Step 3: Cross multiply
   96,706.04x = 144,777.28 × 71,856.24
4. Step 4: Simplify right side
   96,706.04x = 10,403,150,978.23
5. Step 5: Solve for x
   x = 10,403,150,978.23/96,706.04
6. Step 6: Final answer
   x = 107,574.99