Finding the Fourth Proportional to 123,928.61, 171,022.82 and 67,339.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,928.61 : 171,022.82 = 67,339.98 : x
2. Step 2: Convert to fraction form
   123,928.61/171,022.82 = 67,339.98/x
3. Step 3: Cross multiply
   123,928.61x = 171,022.82 × 67,339.98
4. Step 4: Simplify right side
   123,928.61x = 11,516,672,941.64
5. Step 5: Solve for x
   x = 11,516,672,941.64/123,928.61
6. Step 6: Final answer
   x = 92,929.90