Finding the Fourth Proportional to 155,323.72, 232,837.92 and 99,005.72

Step by Step Solution

1. Step 1: Write the proportion equation
   155,323.72 : 232,837.92 = 99,005.72 : x
2. Step 2: Convert to fraction form
   155,323.72/232,837.92 = 99,005.72/x
3. Step 3: Cross multiply
   155,323.72x = 232,837.92 × 99,005.72
4. Step 4: Simplify right side
   155,323.72x = 23,052,285,912.90
5. Step 5: Solve for x
   x = 23,052,285,912.90/155,323.72
6. Step 6: Final answer
   x = 148,414.46