Finding the Fourth Proportional to 96,118.80, 144,178.18 and 69,989.82

Step by Step Solution

1. Step 1: Write the proportion equation
   96,118.80 : 144,178.18 = 69,989.82 : x
2. Step 2: Convert to fraction form
   96,118.80/144,178.18 = 69,989.82/x
3. Step 3: Cross multiply
   96,118.80x = 144,178.18 × 69,989.82
4. Step 4: Simplify right side
   96,118.80x = 10,091,004,866.13
5. Step 5: Solve for x
   x = 10,091,004,866.13/96,118.80
6. Step 6: Final answer
   x = 104,984.72