Finding the Fourth Proportional to 123,870.17, 170,939.89 and 67,281.95

Step by Step Solution

1. Step 1: Write the proportion equation
   123,870.17 : 170,939.89 = 67,281.95 : x
2. Step 2: Convert to fraction form
   123,870.17/170,939.89 = 67,281.95/x
3. Step 3: Cross multiply
   123,870.17x = 170,939.89 × 67,281.95
4. Step 4: Simplify right side
   123,870.17x = 11,501,169,131.99
5. Step 5: Solve for x
   x = 11,501,169,131.99/123,870.17
6. Step 6: Final answer
   x = 92,848.58