Finding the Fourth Proportional to 78,705.84, 108,610.82 and 42,895.04

Step by Step Solution

1. Step 1: Write the proportion equation
   78,705.84 : 108,610.82 = 42,895.04 : x
2. Step 2: Convert to fraction form
   78,705.84/108,610.82 = 42,895.04/x
3. Step 3: Cross multiply
   78,705.84x = 108,610.82 × 42,895.04
4. Step 4: Simplify right side
   78,705.84x = 4,658,865,468.33
5. Step 5: Solve for x
   x = 4,658,865,468.33/78,705.84
6. Step 6: Final answer
   x = 59,193.39