Finding the Fourth Proportional to 74,906.91, 103,362.89 and 43,086.06

Step by Step Solution

1. Step 1: Write the proportion equation
   74,906.91 : 103,362.89 = 43,086.06 : x
2. Step 2: Convert to fraction form
   74,906.91/103,362.89 = 43,086.06/x
3. Step 3: Cross multiply
   74,906.91x = 103,362.89 × 43,086.06
4. Step 4: Simplify right side
   74,906.91x = 4,453,499,464.88
5. Step 5: Solve for x
   x = 4,453,499,464.88/74,906.91
6. Step 6: Final answer
   x = 59,453.79