Finding the Fourth Proportional to 57,770.72, 79,673.68 and 37,620

Step by Step Solution

1. Step 1: Write the proportion equation
   57,770.72 : 79,673.68 = 37,620 : x
2. Step 2: Convert to fraction form
   57,770.72/79,673.68 = 37,620/x
3. Step 3: Cross multiply
   57,770.72x = 79,673.68 × 37,620
4. Step 4: Simplify right side
   57,770.72x = 2,997,323,841.60
5. Step 5: Solve for x
   x = 2,997,323,841.60/57,770.72
6. Step 6: Final answer
   x = 51,883.10