Finding the Fourth Proportional to 35,196.12, 48,569.22 and 21,056.76

Step by Step Solution

1. Step 1: Write the proportion equation
   35,196.12 : 48,569.22 = 21,056.76 : x
2. Step 2: Convert to fraction form
   35,196.12/48,569.22 = 21,056.76/x
3. Step 3: Cross multiply
   35,196.12x = 48,569.22 × 21,056.76
4. Step 4: Simplify right side
   35,196.12x = 1,022,710,408.93
5. Step 5: Solve for x
   x = 1,022,710,408.93/35,196.12
6. Step 6: Final answer
   x = 29,057.48