Finding the Fourth Proportional to 96,078.30, 144,173.61 and 69,397.98

Step by Step Solution

1. Step 1: Write the proportion equation
   96,078.30 : 144,173.61 = 69,397.98 : x
2. Step 2: Convert to fraction form
   96,078.30/144,173.61 = 69,397.98/x
3. Step 3: Cross multiply
   96,078.30x = 144,173.61 × 69,397.98
4. Step 4: Simplify right side
   96,078.30x = 10,005,357,303.31
5. Step 5: Solve for x
   x = 10,005,357,303.31/96,078.30
6. Step 6: Final answer
   x = 104,137.53