Finding the Fourth Proportional to 111,840.10, 156,783.50 and 111,840.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,840.10 : 156,783.50 = 111,840.10 : x
2. Step 2: Convert to fraction form
   111,840.10/156,783.50 = 111,840.10/x
3. Step 3: Cross multiply
   111,840.10x = 156,783.50 × 111,840.10
4. Step 4: Simplify right side
   111,840.10x = 17,534,682,318.35
5. Step 5: Solve for x
   x = 17,534,682,318.35/111,840.10
6. Step 6: Final answer
   x = 156,783.50