Finding the Fourth Proportional to 155,535.30, 233,303.49 and 43,221.78

Step by Step Solution

1. Step 1: Write the proportion equation
   155,535.30 : 233,303.49 = 43,221.78 : x
2. Step 2: Convert to fraction form
   155,535.30/233,303.49 = 43,221.78/x
3. Step 3: Cross multiply
   155,535.30x = 233,303.49 × 43,221.78
4. Step 4: Simplify right side
   155,535.30x = 10,083,792,118.01
5. Step 5: Solve for x
   x = 10,083,792,118.01/155,535.30
6. Step 6: Final answer
   x = 64,832.82