Finding the Fourth Proportional to 123,730.61, 170,748.68 and 67,141.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,730.61 : 170,748.68 = 67,141.98 : x
2. Step 2: Convert to fraction form
   123,730.61/170,748.68 = 67,141.98/x
3. Step 3: Cross multiply
   123,730.61x = 170,748.68 × 67,141.98
4. Step 4: Simplify right side
   123,730.61x = 11,464,404,121.88
5. Step 5: Solve for x
   x = 11,464,404,121.88/123,730.61
6. Step 6: Final answer
   x = 92,656.17