Finding the Fourth Proportional to 147,585.79, 221,356.61 and 40,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   147,585.79 : 221,356.61 = 40,958.50 : x
2. Step 2: Convert to fraction form
   147,585.79/221,356.61 = 40,958.50/x
3. Step 3: Cross multiply
   147,585.79x = 221,356.61 × 40,958.50
4. Step 4: Simplify right side
   147,585.79x = 9,066,434,505.89
5. Step 5: Solve for x
   x = 9,066,434,505.89/147,585.79
6. Step 6: Final answer
   x = 61,431.62