Finding the Fourth Proportional to 28,562.94, 42,769.89 and 22,985.82

Step by Step Solution

1. Step 1: Write the proportion equation
   28,562.94 : 42,769.89 = 22,985.82 : x
2. Step 2: Convert to fraction form
   28,562.94/42,769.89 = 22,985.82/x
3. Step 3: Cross multiply
   28,562.94x = 42,769.89 × 22,985.82
4. Step 4: Simplify right side
   28,562.94x = 983,100,992.96
5. Step 5: Solve for x
   x = 983,100,992.96/28,562.94
6. Step 6: Final answer
   x = 34,418.76