Finding the Fourth Proportional to 35,792.82, 49,398.64 and 21,645.76

Step by Step Solution

1. Step 1: Write the proportion equation
   35,792.82 : 49,398.64 = 21,645.76 : x
2. Step 2: Convert to fraction form
   35,792.82/49,398.64 = 21,645.76/x
3. Step 3: Cross multiply
   35,792.82x = 49,398.64 × 21,645.76
4. Step 4: Simplify right side
   35,792.82x = 1,069,271,105.77
5. Step 5: Solve for x
   x = 1,069,271,105.77/35,792.82
6. Step 6: Final answer
   x = 29,873.90