Finding the Fourth Proportional to 35,807.20, 49,412.52 and 19,890.88

Step by Step Solution

1. Step 1: Write the proportion equation
   35,807.20 : 49,412.52 = 19,890.88 : x
2. Step 2: Convert to fraction form
   35,807.20/49,412.52 = 19,890.88/x
3. Step 3: Cross multiply
   35,807.20x = 49,412.52 × 19,890.88
4. Step 4: Simplify right side
   35,807.20x = 982,858,505.82
5. Step 5: Solve for x
   x = 982,858,505.82/35,807.20
6. Step 6: Final answer
   x = 27,448.63