Finding the Fourth Proportional to 111,941.10, 156,924.90 and 111,941.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,941.10 : 156,924.90 = 111,941.10 : x
2. Step 2: Convert to fraction form
   111,941.10/156,924.90 = 111,941.10/x
3. Step 3: Cross multiply
   111,941.10x = 156,924.90 × 111,941.10
4. Step 4: Simplify right side
   111,941.10x = 17,566,345,923.39
5. Step 5: Solve for x
   x = 17,566,345,923.39/111,941.10
6. Step 6: Final answer
   x = 156,924.90