Finding the Fourth Proportional to 35,920, 49,570.56 and 20,005.12

Step by Step Solution

1. Step 1: Write the proportion equation
   35,920 : 49,570.56 = 20,005.12 : x
2. Step 2: Convert to fraction form
   35,920/49,570.56 = 20,005.12/x
3. Step 3: Cross multiply
   35,920x = 49,570.56 × 20,005.12
4. Step 4: Simplify right side
   35,920x = 991,665,001.27
5. Step 5: Solve for x
   x = 991,665,001.27/35,920
6. Step 6: Final answer
   x = 27,607.60