Finding the Fourth Proportional to 78,611.82, 108,480.90 and 42,801.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,611.82 : 108,480.90 = 42,801.96 : x
2. Step 2: Convert to fraction form
   78,611.82/108,480.90 = 42,801.96/x
3. Step 3: Cross multiply
   78,611.82x = 108,480.90 × 42,801.96
4. Step 4: Simplify right side
   78,611.82x = 4,643,195,142.56
5. Step 5: Solve for x
   x = 4,643,195,142.56/78,611.82
6. Step 6: Final answer
   x = 59,064.85