Finding the Fourth Proportional to 35,772.89, 49,368.83 and 19,857.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,772.89 : 49,368.83 = 19,857.60 : x
2. Step 2: Convert to fraction form
   35,772.89/49,368.83 = 19,857.60/x
3. Step 3: Cross multiply
   35,772.89x = 49,368.83 × 19,857.60
4. Step 4: Simplify right side
   35,772.89x = 980,346,478.61
5. Step 5: Solve for x
   x = 980,346,478.61/35,772.89
6. Step 6: Final answer
   x = 27,404.73