Finding the Fourth Proportional to 104,623.72, 144,334.11 and 69,707.86

Step by Step Solution

1. Step 1: Write the proportion equation
   104,623.72 : 144,334.11 = 69,707.86 : x
2. Step 2: Convert to fraction form
   104,623.72/144,334.11 = 69,707.86/x
3. Step 3: Cross multiply
   104,623.72x = 144,334.11 × 69,707.86
4. Step 4: Simplify right side
   104,623.72x = 10,061,221,933.10
5. Step 5: Solve for x
   x = 10,061,221,933.10/104,623.72
6. Step 6: Final answer
   x = 96,165.78