Finding the Fourth Proportional to 67,654.93, 101,576.25 and 42,621.07

Step by Step Solution

1. Step 1: Write the proportion equation
   67,654.93 : 101,576.25 = 42,621.07 : x
2. Step 2: Convert to fraction form
   67,654.93/101,576.25 = 42,621.07/x
3. Step 3: Cross multiply
   67,654.93x = 101,576.25 × 42,621.07
4. Step 4: Simplify right side
   67,654.93x = 4,329,287,740.60
5. Step 5: Solve for x
   x = 4,329,287,740.60/67,654.93
6. Step 6: Final answer
   x = 63,990.73