Finding the Fourth Proportional to 69,715.49, 105,196.32 and 69,715.49

Step by Step Solution

1. Step 1: Write the proportion equation
   69,715.49 : 105,196.32 = 69,715.49 : x
2. Step 2: Convert to fraction form
   69,715.49/105,196.32 = 69,715.49/x
3. Step 3: Cross multiply
   69,715.49x = 105,196.32 × 69,715.49
4. Step 4: Simplify right side
   69,715.49x = 7,333,812,469.02
5. Step 5: Solve for x
   x = 7,333,812,469.02/69,715.49
6. Step 6: Final answer
   x = 105,196.32