Finding the Fourth Proportional to 147,762.72, 221,782.32 and 72,967.32

Step by Step Solution

1. Step 1: Write the proportion equation
   147,762.72 : 221,782.32 = 72,967.32 : x
2. Step 2: Convert to fraction form
   147,762.72/221,782.32 = 72,967.32/x
3. Step 3: Cross multiply
   147,762.72x = 221,782.32 × 72,967.32
4. Step 4: Simplify right side
   147,762.72x = 16,182,861,513.78
5. Step 5: Solve for x
   x = 16,182,861,513.78/147,762.72
6. Step 6: Final answer
   x = 109,519.24