Finding the Fourth Proportional to 35,690.10, 49,253.31 and 19,776.30

Step by Step Solution

1. Step 1: Write the proportion equation
   35,690.10 : 49,253.31 = 19,776.30 : x
2. Step 2: Convert to fraction form
   35,690.10/49,253.31 = 19,776.30/x
3. Step 3: Cross multiply
   35,690.10x = 49,253.31 × 19,776.30
4. Step 4: Simplify right side
   35,690.10x = 974,048,234.55
5. Step 5: Solve for x
   x = 974,048,234.55/35,690.10
6. Step 6: Final answer
   x = 27,291.83