Finding the Fourth Proportional to 35,557.29, 49,065.89 and 20,445.93

Step by Step Solution

1. Step 1: Write the proportion equation
   35,557.29 : 49,065.89 = 20,445.93 : x
2. Step 2: Convert to fraction form
   35,557.29/49,065.89 = 20,445.93/x
3. Step 3: Cross multiply
   35,557.29x = 49,065.89 × 20,445.93
4. Step 4: Simplify right side
   35,557.29x = 1,003,197,650.10
5. Step 5: Solve for x
   x = 1,003,197,650.10/35,557.29
6. Step 6: Final answer
   x = 28,213.56