Finding the Fourth Proportional to 111,940.35, 156,923.85 and 111,940.35

Step by Step Solution

1. Step 1: Write the proportion equation
   111,940.35 : 156,923.85 = 111,940.35 : x
2. Step 2: Convert to fraction form
   111,940.35/156,923.85 = 111,940.35/x
3. Step 3: Cross multiply
   111,940.35x = 156,923.85 × 111,940.35
4. Step 4: Simplify right side
   111,940.35x = 17,566,110,692.35
5. Step 5: Solve for x
   x = 17,566,110,692.35/111,940.35
6. Step 6: Final answer
   x = 156,923.85