Finding the Fourth Proportional to 111,178.37, 153,426.20 and 60,191.10

Step by Step Solution

1. Step 1: Write the proportion equation
   111,178.37 : 153,426.20 = 60,191.10 : x
2. Step 2: Convert to fraction form
   111,178.37/153,426.20 = 60,191.10/x
3. Step 3: Cross multiply
   111,178.37x = 153,426.20 × 60,191.10
4. Step 4: Simplify right side
   111,178.37x = 9,234,891,784.44
5. Step 5: Solve for x
   x = 9,234,891,784.44/111,178.37
6. Step 6: Final answer
   x = 83,063.74