Finding the Fourth Proportional to 79,411.64, 118,861.50 and 43,817

Step by Step Solution

1. Step 1: Write the proportion equation
   79,411.64 : 118,861.50 = 43,817 : x
2. Step 2: Convert to fraction form
   79,411.64/118,861.50 = 43,817/x
3. Step 3: Cross multiply
   79,411.64x = 118,861.50 × 43,817
4. Step 4: Simplify right side
   79,411.64x = 5,208,154,345.50
5. Step 5: Solve for x
   x = 5,208,154,345.50/79,411.64
6. Step 6: Final answer
   x = 65,584.27