Finding the Fourth Proportional to 68,404.61, 94,399.96 and 42,912.05

Step by Step Solution

1. Step 1: Write the proportion equation
   68,404.61 : 94,399.96 = 42,912.05 : x
2. Step 2: Convert to fraction form
   68,404.61/94,399.96 = 42,912.05/x
3. Step 3: Cross multiply
   68,404.61x = 94,399.96 × 42,912.05
4. Step 4: Simplify right side
   68,404.61x = 4,050,895,932.24
5. Step 5: Solve for x
   x = 4,050,895,932.24/68,404.61
6. Step 6: Final answer
   x = 59,219.63