Finding the Fourth Proportional to 360,843.56, 541,317.18 and 111,545

Step by Step Solution

1. Step 1: Write the proportion equation
   360,843.56 : 541,317.18 = 111,545 : x
2. Step 2: Convert to fraction form
   360,843.56/541,317.18 = 111,545/x
3. Step 3: Cross multiply
   360,843.56x = 541,317.18 × 111,545
4. Step 4: Simplify right side
   360,843.56x = 60,381,224,843.10
5. Step 5: Solve for x
   x = 60,381,224,843.10/360,843.56
6. Step 6: Final answer
   x = 167,333.52