Finding the Fourth Proportional to 69,390.27, 103,476.69 and 68,759.15

Step by Step Solution

1. Step 1: Write the proportion equation
   69,390.27 : 103,476.69 = 68,759.15 : x
2. Step 2: Convert to fraction form
   69,390.27/103,476.69 = 68,759.15/x
3. Step 3: Cross multiply
   69,390.27x = 103,476.69 × 68,759.15
4. Step 4: Simplify right side
   69,390.27x = 7,114,968,731.83
5. Step 5: Solve for x
   x = 7,114,968,731.83/69,390.27
6. Step 6: Final answer
   x = 102,535.54