Finding the Fourth Proportional to 123,415.63, 185,192.49 and 67,259.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,415.63 : 185,192.49 = 67,259.54 : x
2. Step 2: Convert to fraction form
   123,415.63/185,192.49 = 67,259.54/x
3. Step 3: Cross multiply
   123,415.63x = 185,192.49 × 67,259.54
4. Step 4: Simplify right side
   123,415.63x = 12,455,961,688.85
5. Step 5: Solve for x
   x = 12,455,961,688.85/123,415.63
6. Step 6: Final answer
   x = 100,926.94