Finding the Fourth Proportional to 85,074.91, 127,691.30 and 42,984.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,074.91 : 127,691.30 = 42,984.56 : x
2. Step 2: Convert to fraction form
   85,074.91/127,691.30 = 42,984.56/x
3. Step 3: Cross multiply
   85,074.91x = 127,691.30 × 42,984.56
4. Step 4: Simplify right side
   85,074.91x = 5,488,754,346.33
5. Step 5: Solve for x
   x = 5,488,754,346.33/85,074.91
6. Step 6: Final answer
   x = 64,516.72