Finding the Fourth Proportional to 69,196.88, 103,860.96 and 42,821.84

Step by Step Solution

1. Step 1: Write the proportion equation
   69,196.88 : 103,860.96 = 42,821.84 : x
2. Step 2: Convert to fraction form
   69,196.88/103,860.96 = 42,821.84/x
3. Step 3: Cross multiply
   69,196.88x = 103,860.96 × 42,821.84
4. Step 4: Simplify right side
   69,196.88x = 4,447,517,411.37
5. Step 5: Solve for x
   x = 4,447,517,411.37/69,196.88
6. Step 6: Final answer
   x = 64,273.38