Finding the Fourth Proportional to 85,116.24, 127,694.58 and 42,892.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,116.24 : 127,694.58 = 42,892.56 : x
2. Step 2: Convert to fraction form
   85,116.24/127,694.58 = 42,892.56/x
3. Step 3: Cross multiply
   85,116.24x = 127,694.58 × 42,892.56
4. Step 4: Simplify right side
   85,116.24x = 5,477,147,434.32
5. Step 5: Solve for x
   x = 5,477,147,434.32/85,116.24
6. Step 6: Final answer
   x = 64,349.03