Finding the Fourth Proportional to 28,426.01, 42,645.18 and 10,895.86

Step by Step Solution

1. Step 1: Write the proportion equation
   28,426.01 : 42,645.18 = 10,895.86 : x
2. Step 2: Convert to fraction form
   28,426.01/42,645.18 = 10,895.86/x
3. Step 3: Cross multiply
   28,426.01x = 42,645.18 × 10,895.86
4. Step 4: Simplify right side
   28,426.01x = 464,655,697.73
5. Step 5: Solve for x
   x = 464,655,697.73/28,426.01
6. Step 6: Final answer
   x = 16,346.15