Finding the Fourth Proportional to 75,068.56, 103,632.10 and 43,231.31

Step by Step Solution

1. Step 1: Write the proportion equation
   75,068.56 : 103,632.10 = 43,231.31 : x
2. Step 2: Convert to fraction form
   75,068.56/103,632.10 = 43,231.31/x
3. Step 3: Cross multiply
   75,068.56x = 103,632.10 × 43,231.31
4. Step 4: Simplify right side
   75,068.56x = 4,480,150,922.89
5. Step 5: Solve for x
   x = 4,480,150,922.89/75,068.56
6. Step 6: Final answer
   x = 59,680.79