Finding the Fourth Proportional to 104,759.82, 157,138.89 and 69,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,759.82 : 157,138.89 = 69,379.50 : x
2. Step 2: Convert to fraction form
   104,759.82/157,138.89 = 69,379.50/x
3. Step 3: Cross multiply
   104,759.82x = 157,138.89 × 69,379.50
4. Step 4: Simplify right side
   104,759.82x = 10,902,217,618.76
5. Step 5: Solve for x
   x = 10,902,217,618.76/104,759.82
6. Step 6: Final answer
   x = 104,068.69