Finding the Fourth Proportional to 35,815.56, 49,429.76 and 21,483.29

Step by Step Solution

1. Step 1: Write the proportion equation
   35,815.56 : 49,429.76 = 21,483.29 : x
2. Step 2: Convert to fraction form
   35,815.56/49,429.76 = 21,483.29/x
3. Step 3: Cross multiply
   35,815.56x = 49,429.76 × 21,483.29
4. Step 4: Simplify right side
   35,815.56x = 1,061,913,868.71
5. Step 5: Solve for x
   x = 1,061,913,868.71/35,815.56
6. Step 6: Final answer
   x = 29,649.51