Finding the Fourth Proportional to 35,776.64, 49,367.76 and 19,861.76

Step by Step Solution

1. Step 1: Write the proportion equation
   35,776.64 : 49,367.76 = 19,861.76 : x
2. Step 2: Convert to fraction form
   35,776.64/49,367.76 = 19,861.76/x
3. Step 3: Cross multiply
   35,776.64x = 49,367.76 × 19,861.76
4. Step 4: Simplify right side
   35,776.64x = 980,530,600.86
5. Step 5: Solve for x
   x = 980,530,600.86/35,776.64
6. Step 6: Final answer
   x = 27,407.01