Finding the Fourth Proportional to 79,461.56, 109,685.75 and 52,612.72

Step by Step Solution

1. Step 1: Write the proportion equation
   79,461.56 : 109,685.75 = 52,612.72 : x
2. Step 2: Convert to fraction form
   79,461.56/109,685.75 = 52,612.72/x
3. Step 3: Cross multiply
   79,461.56x = 109,685.75 × 52,612.72
4. Step 4: Simplify right side
   79,461.56x = 5,770,865,115.46
5. Step 5: Solve for x
   x = 5,770,865,115.46/79,461.56
6. Step 6: Final answer
   x = 72,624.61