Finding the Fourth Proportional to 78,694.56, 108,597.06 and 42,884.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,694.56 : 108,597.06 = 42,884.88 : x
2. Step 2: Convert to fraction form
   78,694.56/108,597.06 = 42,884.88/x
3. Step 3: Cross multiply
   78,694.56x = 108,597.06 × 42,884.88
4. Step 4: Simplify right side
   78,694.56x = 4,657,171,886.45
5. Step 5: Solve for x
   x = 4,657,171,886.45/78,694.56
6. Step 6: Final answer
   x = 59,180.35