Finding the Fourth Proportional to 35,561.31, 49,073.90 and 19,645.35

Step by Step Solution

1. Step 1: Write the proportion equation
   35,561.31 : 49,073.90 = 19,645.35 : x
2. Step 2: Convert to fraction form
   35,561.31/49,073.90 = 19,645.35/x
3. Step 3: Cross multiply
   35,561.31x = 49,073.90 × 19,645.35
4. Step 4: Simplify right side
   35,561.31x = 964,073,843.14
5. Step 5: Solve for x
   x = 964,073,843.14/35,561.31
6. Step 6: Final answer
   x = 27,110.19