Finding the Fourth Proportional to 78,592.82, 108,458.10 and 42,783.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,592.82 : 108,458.10 = 42,783.10 : x
2. Step 2: Convert to fraction form
   78,592.82/108,458.10 = 42,783.10/x
3. Step 3: Cross multiply
   78,592.82x = 108,458.10 × 42,783.10
4. Step 4: Simplify right side
   78,592.82x = 4,640,173,738.11
5. Step 5: Solve for x
   x = 4,640,173,738.11/78,592.82
6. Step 6: Final answer
   x = 59,040.68