Finding the Fourth Proportional to 35,779.59, 49,378.05 and 20,674.98

Step by Step Solution

1. Step 1: Write the proportion equation
   35,779.59 : 49,378.05 = 20,674.98 : x
2. Step 2: Convert to fraction form
   35,779.59/49,378.05 = 20,674.98/x
3. Step 3: Cross multiply
   35,779.59x = 49,378.05 × 20,674.98
4. Step 4: Simplify right side
   35,779.59x = 1,020,890,196.19
5. Step 5: Solve for x
   x = 1,020,890,196.19/35,779.59
6. Step 6: Final answer
   x = 28,532.75