Finding the Fourth Proportional to 78,694.63, 108,598.59 and 42,884.67

Step by Step Solution

1. Step 1: Write the proportion equation
   78,694.63 : 108,598.59 = 42,884.67 : x
2. Step 2: Convert to fraction form
   78,694.63/108,598.59 = 42,884.67/x
3. Step 3: Cross multiply
   78,694.63x = 108,598.59 × 42,884.67
4. Step 4: Simplify right side
   78,694.63x = 4,657,214,694.62
5. Step 5: Solve for x
   x = 4,657,214,694.62/78,694.63
6. Step 6: Final answer
   x = 59,180.84