Finding the Fourth Proportional to 533,216.72, 799,826.60 and 154,168.31

Step by Step Solution

1. Step 1: Write the proportion equation
   533,216.72 : 799,826.60 = 154,168.31 : x
2. Step 2: Convert to fraction form
   533,216.72/799,826.60 = 154,168.31/x
3. Step 3: Cross multiply
   533,216.72x = 799,826.60 × 154,168.31
4. Step 4: Simplify right side
   533,216.72x = 123,307,917,600.03
5. Step 5: Solve for x
   x = 123,307,917,600.03/533,216.72
6. Step 6: Final answer
   x = 231,252.91