Finding the Fourth Proportional to 69,131.60, 103,692.52 and 39,456.44

Step by Step Solution

1. Step 1: Write the proportion equation
   69,131.60 : 103,692.52 = 39,456.44 : x
2. Step 2: Convert to fraction form
   69,131.60/103,692.52 = 39,456.44/x
3. Step 3: Cross multiply
   69,131.60x = 103,692.52 × 39,456.44
4. Step 4: Simplify right side
   69,131.60x = 4,091,337,693.83
5. Step 5: Solve for x
   x = 4,091,337,693.83/69,131.60
6. Step 6: Final answer
   x = 59,181.87