Finding the Fourth Proportional to 144,840.80, 194,913 and 144,840.80

Step by Step Solution

1. Step 1: Write the proportion equation
   144,840.80 : 194,913 = 144,840.80 : x
2. Step 2: Convert to fraction form
   144,840.80/194,913 = 144,840.80/x
3. Step 3: Cross multiply
   144,840.80x = 194,913 × 144,840.80
4. Step 4: Simplify right side
   144,840.80x = 28,231,354,850.40
5. Step 5: Solve for x
   x = 28,231,354,850.40/144,840.80
6. Step 6: Final answer
   x = 194,913