Finding the Fourth Proportional to 104,216.96, 143,868.98 and 69,820.91

Step by Step Solution

1. Step 1: Write the proportion equation
   104,216.96 : 143,868.98 = 69,820.91 : x
2. Step 2: Convert to fraction form
   104,216.96/143,868.98 = 69,820.91/x
3. Step 3: Cross multiply
   104,216.96x = 143,868.98 × 69,820.91
4. Step 4: Simplify right side
   104,216.96x = 10,045,063,104.37
5. Step 5: Solve for x
   x = 10,045,063,104.37/104,216.96
6. Step 6: Final answer
   x = 96,386.07