Finding the Fourth Proportional to 69,100.94, 103,645.44 and 42,076.31

Step by Step Solution

1. Step 1: Write the proportion equation
   69,100.94 : 103,645.44 = 42,076.31 : x
2. Step 2: Convert to fraction form
   69,100.94/103,645.44 = 42,076.31/x
3. Step 3: Cross multiply
   69,100.94x = 103,645.44 × 42,076.31
4. Step 4: Simplify right side
   69,100.94x = 4,361,017,145.30
5. Step 5: Solve for x
   x = 4,361,017,145.30/69,100.94
6. Step 6: Final answer
   x = 63,110.82