Finding the Fourth Proportional to 37,861.56, 52,150.50 and 28,821.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,861.56 : 52,150.50 = 28,821.96 : x
2. Step 2: Convert to fraction form
   37,861.56/52,150.50 = 28,821.96/x
3. Step 3: Cross multiply
   37,861.56x = 52,150.50 × 28,821.96
4. Step 4: Simplify right side
   37,861.56x = 1,503,079,624.98
5. Step 5: Solve for x
   x = 1,503,079,624.98/37,861.56
6. Step 6: Final answer
   x = 39,699.36