Finding the Fourth Proportional to 79,222.60, 109,316.77 and 47,379.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,222.60 : 109,316.77 = 47,379.88 : x
2. Step 2: Convert to fraction form
   79,222.60/109,316.77 = 47,379.88/x
3. Step 3: Cross multiply
   79,222.60x = 109,316.77 × 47,379.88
4. Step 4: Simplify right side
   79,222.60x = 5,179,415,444.59
5. Step 5: Solve for x
   x = 5,179,415,444.59/79,222.60
6. Step 6: Final answer
   x = 65,378.00