Finding the Fourth Proportional to 149,930.54, 224,932.72 and 105,643.78

Step by Step Solution

1. Step 1: Write the proportion equation
   149,930.54 : 224,932.72 = 105,643.78 : x
2. Step 2: Convert to fraction form
   149,930.54/224,932.72 = 105,643.78/x
3. Step 3: Cross multiply
   149,930.54x = 224,932.72 × 105,643.78
4. Step 4: Simplify right side
   149,930.54x = 23,762,742,786.48
5. Step 5: Solve for x
   x = 23,762,742,786.48/149,930.54
6. Step 6: Final answer
   x = 158,491.68