Finding the Fourth Proportional to 52,978.70, 79,481.86 and 30,770.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,978.70 : 79,481.86 = 30,770.72 : x
2. Step 2: Convert to fraction form
   52,978.70/79,481.86 = 30,770.72/x
3. Step 3: Cross multiply
   52,978.70x = 79,481.86 × 30,770.72
4. Step 4: Simplify right side
   52,978.70x = 2,445,714,059.14
5. Step 5: Solve for x
   x = 2,445,714,059.14/52,978.70
6. Step 6: Final answer
   x = 46,164.11