Finding the Fourth Proportional to 150,004.81, 225,007.43 and 61,258.31

Step by Step Solution

1. Step 1: Write the proportion equation
   150,004.81 : 225,007.43 = 61,258.31 : x
2. Step 2: Convert to fraction form
   150,004.81/225,007.43 = 61,258.31/x
3. Step 3: Cross multiply
   150,004.81x = 225,007.43 × 61,258.31
4. Step 4: Simplify right side
   150,004.81x = 13,783,575,819.59
5. Step 5: Solve for x
   x = 13,783,575,819.59/150,004.81
6. Step 6: Final answer
   x = 91,887.56