Finding the Fourth Proportional to 35,527.68, 49,025.55 and 20,420.37

Step by Step Solution

1. Step 1: Write the proportion equation
   35,527.68 : 49,025.55 = 20,420.37 : x
2. Step 2: Convert to fraction form
   35,527.68/49,025.55 = 20,420.37/x
3. Step 3: Cross multiply
   35,527.68x = 49,025.55 × 20,420.37
4. Step 4: Simplify right side
   35,527.68x = 1,001,119,870.45
5. Step 5: Solve for x
   x = 1,001,119,870.45/35,527.68
6. Step 6: Final answer
   x = 28,178.59