Finding the Fourth Proportional to 123,736.61, 170,756.96 and 67,147.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,736.61 : 170,756.96 = 67,147.98 : x
2. Step 2: Convert to fraction form
   123,736.61/170,756.96 = 67,147.98/x
3. Step 3: Cross multiply
   123,736.61x = 170,756.96 × 67,147.98
4. Step 4: Simplify right side
   123,736.61x = 11,465,984,599.20
5. Step 5: Solve for x
   x = 11,465,984,599.20/123,736.61
6. Step 6: Final answer
   x = 92,664.45