Finding the Fourth Proportional to 28,536.81, 42,796.83 and 10,754.64

Step by Step Solution

1. Step 1: Write the proportion equation
   28,536.81 : 42,796.83 = 10,754.64 : x
2. Step 2: Convert to fraction form
   28,536.81/42,796.83 = 10,754.64/x
3. Step 3: Cross multiply
   28,536.81x = 42,796.83 × 10,754.64
4. Step 4: Simplify right side
   28,536.81x = 460,264,499.79
5. Step 5: Solve for x
   x = 460,264,499.79/28,536.81
6. Step 6: Final answer
   x = 16,128.80