Finding the Fourth Proportional to 35,776.71, 49,374.16 and 20,670.01

Step by Step Solution

1. Step 1: Write the proportion equation
   35,776.71 : 49,374.16 = 20,670.01 : x
2. Step 2: Convert to fraction form
   35,776.71/49,374.16 = 20,670.01/x
3. Step 3: Cross multiply
   35,776.71x = 49,374.16 × 20,670.01
4. Step 4: Simplify right side
   35,776.71x = 1,020,564,205.83
5. Step 5: Solve for x
   x = 1,020,564,205.83/35,776.71
6. Step 6: Final answer
   x = 28,525.94