Finding the Fourth Proportional to 122,078.50, 183,118.89 and 43,206.10

Step by Step Solution

1. Step 1: Write the proportion equation
   122,078.50 : 183,118.89 = 43,206.10 : x
2. Step 2: Convert to fraction form
   122,078.50/183,118.89 = 43,206.10/x
3. Step 3: Cross multiply
   122,078.50x = 183,118.89 × 43,206.10
4. Step 4: Simplify right side
   122,078.50x = 7,911,853,073.23
5. Step 5: Solve for x
   x = 7,911,853,073.23/122,078.50
6. Step 6: Final answer
   x = 64,809.55