Finding the Fourth Proportional to 96,007.68, 143,859.24 and 69,588.72

Step by Step Solution

1. Step 1: Write the proportion equation
   96,007.68 : 143,859.24 = 69,588.72 : x
2. Step 2: Convert to fraction form
   96,007.68/143,859.24 = 69,588.72/x
3. Step 3: Cross multiply
   96,007.68x = 143,859.24 × 69,588.72
4. Step 4: Simplify right side
   96,007.68x = 10,010,980,371.77
5. Step 5: Solve for x
   x = 10,010,980,371.77/96,007.68
6. Step 6: Final answer
   x = 104,272.70