Finding the Fourth Proportional to 45,034.67, 67,586.62 and 42,722.12

Step by Step Solution

1. Step 1: Write the proportion equation
   45,034.67 : 67,586.62 = 42,722.12 : x
2. Step 2: Convert to fraction form
   45,034.67/67,586.62 = 42,722.12/x
3. Step 3: Cross multiply
   45,034.67x = 67,586.62 × 42,722.12
4. Step 4: Simplify right side
   45,034.67x = 2,887,443,458.91
5. Step 5: Solve for x
   x = 2,887,443,458.91/45,034.67
6. Step 6: Final answer
   x = 64,116.02