Finding the Fourth Proportional to 75,618.72, 104,359.86 and 43,788.18

Step by Step Solution

1. Step 1: Write the proportion equation
   75,618.72 : 104,359.86 = 43,788.18 : x
2. Step 2: Convert to fraction form
   75,618.72/104,359.86 = 43,788.18/x
3. Step 3: Cross multiply
   75,618.72x = 104,359.86 × 43,788.18
4. Step 4: Simplify right side
   75,618.72x = 4,569,728,334.45
5. Step 5: Solve for x
   x = 4,569,728,334.45/75,618.72
6. Step 6: Final answer
   x = 60,431.18