Finding the Fourth Proportional to 122,383.69, 183,530.67 and 42,401

Step by Step Solution

1. Step 1: Write the proportion equation
   122,383.69 : 183,530.67 = 42,401 : x
2. Step 2: Convert to fraction form
   122,383.69/183,530.67 = 42,401/x
3. Step 3: Cross multiply
   122,383.69x = 183,530.67 × 42,401
4. Step 4: Simplify right side
   122,383.69x = 7,781,883,938.67
5. Step 5: Solve for x
   x = 7,781,883,938.67/122,383.69
6. Step 6: Final answer
   x = 63,585.96