Finding the Fourth Proportional to 35,815.68, 49,421.88 and 19,897.56

Step by Step Solution

1. Step 1: Write the proportion equation
   35,815.68 : 49,421.88 = 19,897.56 : x
2. Step 2: Convert to fraction form
   35,815.68/49,421.88 = 19,897.56/x
3. Step 3: Cross multiply
   35,815.68x = 49,421.88 × 19,897.56
4. Step 4: Simplify right side
   35,815.68x = 983,374,822.61
5. Step 5: Solve for x
   x = 983,374,822.61/35,815.68
6. Step 6: Final answer
   x = 27,456.54