Finding the Fourth Proportional to 78,592.34, 108,457.44 and 42,782.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,592.34 : 108,457.44 = 42,782.62 : x
2. Step 2: Convert to fraction form
   78,592.34/108,457.44 = 42,782.62/x
3. Step 3: Cross multiply
   78,592.34x = 108,457.44 × 42,782.62
4. Step 4: Simplify right side
   78,592.34x = 4,640,093,441.69
5. Step 5: Solve for x
   x = 4,640,093,441.69/78,592.34
6. Step 6: Final answer
   x = 59,040.02