Finding the Fourth Proportional to 156,728.72, 233,441.60 and 153,448.22

Step by Step Solution

1. Step 1: Write the proportion equation
   156,728.72 : 233,441.60 = 153,448.22 : x
2. Step 2: Convert to fraction form
   156,728.72/233,441.60 = 153,448.22/x
3. Step 3: Cross multiply
   156,728.72x = 233,441.60 × 153,448.22
4. Step 4: Simplify right side
   156,728.72x = 35,821,196,059.50
5. Step 5: Solve for x
   x = 35,821,196,059.50/156,728.72
6. Step 6: Final answer
   x = 228,555.41