Finding the Fourth Proportional to 105,395.56, 158,093.61 and 43,066.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,395.56 : 158,093.61 = 43,066.06 : x
2. Step 2: Convert to fraction form
   105,395.56/158,093.61 = 43,066.06/x
3. Step 3: Cross multiply
   105,395.56x = 158,093.61 × 43,066.06
4. Step 4: Simplify right side
   105,395.56x = 6,808,468,893.88
5. Step 5: Solve for x
   x = 6,808,468,893.88/105,395.56
6. Step 6: Final answer
   x = 64,599.20