Finding the Fourth Proportional to 155,343.83, 233,188.69 and 80,443.94

Step by Step Solution

1. Step 1: Write the proportion equation
   155,343.83 : 233,188.69 = 80,443.94 : x
2. Step 2: Convert to fraction form
   155,343.83/233,188.69 = 80,443.94/x
3. Step 3: Cross multiply
   155,343.83x = 233,188.69 × 80,443.94
4. Step 4: Simplify right side
   155,343.83x = 18,758,617,368.90
5. Step 5: Solve for x
   x = 18,758,617,368.90/155,343.83
6. Step 6: Final answer
   x = 120,755.47